{"id":12624,"date":"2026-10-23T18:54:19","date_gmt":"2026-10-23T09:54:19","guid":{"rendered":"https:\/\/tetraup.com\/news_topics\/?p=12624"},"modified":"2026-10-23T18:54:19","modified_gmt":"2026-10-23T09:54:19","slug":"php2shell-rce-basics","status":"publish","type":"post","link":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/","title":{"rendered":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6"},"content":{"rendered":"\n<!-- \u30bf\u30b0: IT\u95a2\u9023, \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u793e\u4f1a, \u793e\u4f1a\u554f\u984c, \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6559\u80b2, \u4e2d\u5b66\u751f\u5411\u3051, \u9ad8\u6821\u751f\u5411\u3051 -->\n<!-- \u30e1\u30bf\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\n\u300cPHP2shell\u300d\u3068\u547c\u3070\u308c\u308bPHP\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u3001PHP\u672c\u4f53\u30fbWeb\u30a2\u30d7\u30ea\u30fb\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u5f79\u5272\u306e\u9055\u3044\u3084\u3001\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u6b20\u96652\u7a2e\u985e\u3068RCE\uff08\u9060\u9694\u30b3\u30fc\u30c9\u5b9f\u884c\uff09\u306e\u95a2\u4fc2\u3001\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0\u3067\u76f4\u308b\u7406\u7531\u3092\u4e00\u6b21\u60c5\u5831\u3092\u3082\u3068\u306b\u6574\u7406\u3057\u3001\u30cb\u30e5\u30fc\u30b9\u306e\u898b\u51fa\u3057\u3060\u3051\u3067\u4e0d\u5b89\u306b\u306a\u3089\u305a\u306b\u8aad\u3081\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\n-->\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30cb\u30e5\u30fc\u30b9\u3067\u300c\u91cd\u5927\u306a\u8106\u5f31\u6027\u304c\u898b\u3064\u304b\u3063\u305f\u300d\u3068\u3044\u3046\u8a71\u984c\u3092\u76ee\u306b\u3059\u308b\u3068\u3001\u81ea\u5206\u305f\u3061\u306e\u4f7f\u3063\u3066\u3044\u308b\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u30d1\u30bd\u30b3\u30f3\u306b\u3069\u3093\u306a\u5371\u967a\u304c\u3042\u308b\u306e\u304b\u3001\u4e0d\u5b89\u306b\u611f\u3058\u308b\u5834\u9762\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u30022026\u5e7410\u6708\u3001Web\u30b5\u30a4\u30c8\u306e\u88cf\u5074\u3067\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u300cPHP\u300d\u306b\u304a\u3044\u3066\u3001<mark style=\"background-color: #fff44f; padding: 2px 4px; font-weight: bold;\">\u300cPHP2shell\u300d\u3068\u547c\u3070\u308c\u308b\u6df1\u523b\u306a\u6b20\u9665<\/mark>\u304c\u516c\u8868\u3055\u308c\u307e\u3057\u305f\u3002\u5c02\u9580\u7528\u8a9e\u304c\u4e26\u3076\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8a71\u984c\u3067\u3059\u304c\u3001\u4ed5\u7d44\u307f\u3092\u4e00\u6bb5\u305a\u3064\u5206\u89e3\u3057\u3066\u3044\u304f\u3068\u3001\u4f55\u304c\u8d77\u304d\u3066\u3044\u3066\u4f55\u306b\u6ce8\u610f\u3059\u3079\u304d\u304b\u304c\u843d\u3061\u7740\u3044\u3066\u898b\u3048\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"mokuji\">\n  <p class=\"title\">\u76ee\u6b21<\/p>\n  <div class=\"mokuji-content\">\n    <ol>\n      <li class=\"child\"><a href=\"#anker1\">PHP2shell\u3068\u306f\uff082026\u5e7410\u6708\u306b\u516c\u8868\u3055\u308c\u305fPHP\u306e\u8106\u5f31\u6027\uff09<\/a><\/li>\n      <li class=\"child\"><a href=\"#anker2\">PHP\u306f\u3069\u3053\u3067\u50cd\u3044\u3066\u3044\u308b\u306e\u304b\uff08PHP\u672c\u4f53\u3068Web\u30a2\u30d7\u30ea\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u5f79\u5272\uff09<\/a><\/li>\n      <li class=\"child\"><a href=\"#anker3\">PHP\u30a8\u30f3\u30b8\u30f3\u5185\u90e8\u306b\u3042\u3063\u305f2\u3064\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u6b20\u9665<\/a><\/li>\n      <li class=\"child\"><a href=\"#anker4\">RCE\uff08\u9060\u9694\u30b3\u30fc\u30c9\u5b9f\u884c\uff09\u3068\u306f\u4f55\u304b\u3002\u4eca\u56de\u306e2\u4ef6\u3067\u4f55\u304c\u554f\u984c\u306a\u306e\u304b<\/a><\/li>\n      <li class=\"child\"><a href=\"#anker5\">\u66f4\u65b0\u3059\u308b\u3068\u306a\u305c\u76f4\u308b\u306e\u304b<\/a><\/li>\n      <li class=\"child\"><a href=\"#anker6\">\u3053\u306e\u8106\u5f31\u6027\u306f\u81ea\u5206\u3084\u5bb6\u65cf\u306e\u30d1\u30bd\u30b3\u30f3\u30fb\u30b9\u30de\u30db\u306b\u76f4\u63a5\u95a2\u4fc2\u3042\u308b\u306e\u304b<\/a><\/li>\n      <li class=\"child\"><a href=\"#anker7\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n      <li class=\"child\"><a href=\"#anker8\">\u307e\u3068\u3081<\/a><\/li>\n      <li class=\"grandchild\"><a href=\"#anker8-1\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/a><\/li>\n      <li class=\"grandchild\"><a href=\"#anker8-2\">\u53c2\u8003\u8cc7\u6599<\/a><\/li>\n    <\/ol>\n  <\/div>\n<\/div>\n\n\n\n<h2 id=\"anker1\" class=\"wp-block-heading\">PHP2shell\u3068\u306f\uff082026\u5e7410\u6708\u306b\u516c\u8868\u3055\u308c\u305fPHP\u306e\u8106\u5f31\u6027\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u306e\u554f\u984c\u3068\u306a\u3063\u3066\u3044\u308b\u8106\u5f31\u6027\u306f\u3001\u6b63\u5f0f\u306b\u306f\u300cCVE-2026-109618\u300d\u304a\u3088\u3073\u300cCVE-2026-109619\u300d\u3068\u3044\u30462\u3064\u306e\u8b58\u5225\u756a\u53f7\u3067\u7ba1\u7406\u3055\u308c\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/www.ipa.go.jp\/security\/security-alert\/2026\/alert20261022.html\" target=\"_blank\" rel=\"noopener noreferrer\">IPA\uff08\u72ec\u7acb\u884c\u653f\u6cd5\u4eba\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\uff09<\/a>\u306f2026\u5e7410\u670822\u65e5\u3001\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u6700\u65b0\u7248\u3078\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u547c\u3073\u304b\u3051\u307e\u3057\u305f\u3002\u6ce8\u610f\u559a\u8d77\u306e\u4e2d\u3067\u300cPHP2shell\u300d\u3068\u3044\u3046\u901a\u79f0\u304c\u7528\u3044\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u6b63\u5f0f\u306a\u898f\u683c\u540d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.php.net\/archive\/2026.php#2026-10-21-5\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u516c\u5f0f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30ea\u30fc\u30b9<\/a>\u3067\u306f\u30012026\u5e7410\u670821\u65e5\u4ed8\u3067\u4fee\u6b63\u7248\u3068\u306a\u308bPHP 8.2.35\u30018.3.36\u30018.4.27\u30018.5.12\u304c\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002\u6b20\u9665\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u307e\u305aPHP\u3068\u3044\u3046\u6280\u8853\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u3069\u3053\u3067\u50cd\u3044\u3066\u3044\u308b\u306e\u304b\u3092\u6574\u7406\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"anker2\" class=\"wp-block-heading\">PHP\u306f\u3069\u3053\u3067\u50cd\u3044\u3066\u3044\u308b\u306e\u304b\uff08PHP\u672c\u4f53\u3068Web\u30a2\u30d7\u30ea\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u5f79\u5272\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Web\u30b5\u30a4\u30c8\u3092\u8868\u793a\u3059\u308b\u901a\u4fe1\u306e\u88cf\u5074\u3067\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u30663\u3064\u306e\u8981\u7d20\u304c\u7570\u306a\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3064\u76ee\u306f\u3001\u95b2\u89a7\u8005\u304c\u624b\u5143\u3067\u64cd\u4f5c\u3057\u3066\u3044\u308b\u30d1\u30bd\u30b3\u30f3\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u4e0a\u3067\u52d5\u304f\u300c\u30d6\u30e9\u30a6\u30b6\u30fc\u300d\u3067\u3059\u30022\u3064\u76ee\u306f\u3001\u30d6\u30ed\u30b0\u3084\u4e88\u7d04\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u5177\u4f53\u7684\u306a\u6a5f\u80fd\u3092\u7ba1\u7406\u753b\u9762\u3068\u3068\u3082\u306b\u63d0\u4f9b\u3059\u308b\u300cWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u300d\uff08WordPress\u306a\u3069\uff09\u3067\u3059\u3002\u305d\u3057\u30663\u3064\u76ee\u304c\u3001\u305d\u306eWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u969b\u306b\u89e3\u91c8\u3057\u3066\u52d5\u304b\u3059\u571f\u53f0\u3068\u306a\u308b\u300cPHP\u306e\u51e6\u7406\u7cfb\uff08PHP\u672c\u4f53\uff09\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d6\u30e9\u30a6\u30b6\u30fc\u306f\u753b\u9762\u3092\u63cf\u753b\u3057\u3066\u5229\u7528\u8005\u306b\u60c5\u5831\u3092\u5c4a\u3051\u308b\u72ec\u7acb\u3057\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u3042\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u52d5\u304fPHP\u3068\u306f\u52d5\u4f5c\u3059\u308b\u5834\u6240\u304c\u7570\u306a\u308a\u307e\u3059\u3002PHP\u306fWeb\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u52d5\u4f5c\u3057\u3001PHP-FPM\u3084Apache\u306emod_php\u3001php-cgi\u3068\u3044\u3063\u305f\u4ed5\u7d44\u307f\u3092\u901a\u3058\u3066\u3001\u5916\u90e8\u304b\u3089\u5c4a\u304f\u901a\u4fe1\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2<\/th><th>\u52d5\u4f5c\u3059\u308b\u5834\u6240<\/th><th>\u4eca\u56de\u306e\u6b20\u9665<\/th><\/tr><\/thead><tbody><tr><td>\u30d6\u30e9\u30a6\u30b6\u30fc<\/td><td>\u5229\u7528\u8005\u306e\u624b\u5143\u7aef\u672b<\/td><td>\u306a\u3057<\/td><\/tr><tr><td>Web\u30a2\u30d7\u30ea<\/td><td>Web\u30b5\u30fc\u30d0\u30fc\u4e0a<\/td><td>\u306a\u3057<\/td><\/tr><tr><td>PHP\u51e6\u7406\u7cfb<\/td><td>Web\u30b5\u30fc\u30d0\u30fc\u4e0a<\/td><td>\u3042\u308a\uff08\u672a\u66f4\u65b0\u6642\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u306b\u6574\u7406\u3057\u305f\u3068\u304a\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u3084Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u81ea\u4f53\u306b\u4eca\u56de\u306e\u6b20\u9665\u304c\u5b58\u5728\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f71\u97ff\u3092\u53d7\u3051\u308b\u306e\u306f\u3001\u571f\u53f0\u3068\u3057\u3066Web\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u3066\u3044\u308bPHP\u672c\u4f53\u3067\u3059\u3002<mark style=\"background-color: #fff44f; padding: 2px 4px; font-weight: bold;\">Web\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u3059\u3079\u3066\u306ePHP\u74b0\u5883<\/mark>\u304c\u66f4\u65b0\u306e\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-02.png\" alt=\"\u30b5\u30fc\u30d0\u30fc\u5074\u306ePHP\u3001Web\u30a2\u30d7\u30ea\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u306e3\u5c64\u3092\u91cd\u306d\u3001\u30b5\u30fc\u30d0\u30fc\u5c64\u3060\u3051\u3092\u8b66\u544a\u30de\u30fc\u30af\u3067\u5f37\u8abf\u3057\u305f\u56f3\" class=\"wp-image-12619\" srcset=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-02.png 1536w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-02-300x200.png 300w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-02-644x429.png 644w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-02-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<h2 id=\"anker3\" class=\"wp-block-heading\">PHP\u30a8\u30f3\u30b8\u30f3\u5185\u90e8\u306b\u3042\u3063\u305f2\u3064\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u6b20\u9665<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u8868\u3055\u308c\u305f2\u4ef6\u306e\u8106\u5f31\u6027\u306f\u3001\u3044\u305a\u308c\u3082PHP\u304c\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u8a18\u61b6\u9818\u57df\uff08\u30e1\u30e2\u30ea\uff09\u3092\u6271\u3046\u51e6\u7406\u306e\u4e2d\u306b\u6f5c\u3093\u3067\u3044\u305f\u3082\u306e\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u4ed5\u7d44\u307f\u306b\u3088\u3063\u3066\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3064\u76ee\u306e<a href=\"https:\/\/github.com\/php\/php-src\/security\/advisories\/GHSA-w8hw-w9fx-j79w\" target=\"_blank\" rel=\"noopener noreferrer\">CVE-2026-109618\u306e\u516c\u5f0f\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\u306b\u8a18\u8f09\u3055\u308c\u305f\u6b20\u9665\u306f\u3001\u30e1\u30e2\u30ea\u4e0d\u8db3\uff08OOM\uff09\u304c\u767a\u751f\u3057\u305f\u969b\u306e\u51e6\u7406\u306b\u3042\u308a\u307e\u3059\u3002\u30e1\u30e2\u30ea\u4e0d\u8db3\u304c\u751f\u3058\u3066longjmp()\u95a2\u6570\u3067\u51e6\u7406\u3092\u4e2d\u65ad\u3059\u308b\u904e\u7a0b\u3067\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u7528\u306e\u30e1\u30e2\u30ea\u9818\u57df\u304c\u521d\u671f\u5316\u3055\u308c\u306a\u3044\u307e\u307e\u6b8b\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u7d42\u4e86\u51e6\u7406\u304c\u672a\u521d\u671f\u5316\u306e\u30e1\u30e2\u30ea\u3092\u4e0d\u6b63\u306b\u8aad\u307f\u66f8\u304d\u3057\u3066\u3057\u307e\u3046\u72b6\u614b\u304c\u751f\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3064\u76ee\u306e<a href=\"https:\/\/github.com\/php\/php-src\/security\/advisories\/GHSA-6wmf-4rv5-p3rp\" target=\"_blank\" rel=\"noopener noreferrer\">CVE-2026-109619\u306e\u516c\u5f0f\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\u306b\u8a18\u8f09\u3055\u308c\u305f\u6b20\u9665\u306f\u3001\u72b6\u614b\u306e\u7ba1\u7406\u306b\u3042\u308a\u307e\u3059\u3002\u30a8\u30e9\u30fc\u51e6\u7406\u3084\u30bb\u30c3\u30b7\u30e7\u30f3\u60c5\u5831\u306a\u3069\u306e\u5927\u57df\u7684\u306a\u72b6\u614b\u304c\u3001\u3059\u3067\u306b\u89e3\u653e\u3055\u308c\u305f\u30e1\u30e2\u30ea\u9818\u57df\u3092\u6307\u3057\u305f\u307e\u307e\u6b8b\u3063\u3066\u3057\u307e\u3046\u73fe\u8c61\u3067\u3059\u3002\u540c\u3058\u51e6\u7406\u3092\u53d7\u3051\u6301\u3064\u30d7\u30ed\u30bb\u30b9\uff08\u30ef\u30fc\u30ab\u30fc\uff09\u304c\u6b21\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u969b\u3001\u89e3\u653e\u6e08\u307f\u306e\u30e1\u30e2\u30ea\u9818\u57df\u3092\u8aa4\u3063\u3066\u53c2\u7167\u3057\u3066\u518d\u5229\u7528\u3059\u308b\u300cuse-after-free\u300d\u3068\u547c\u3070\u308c\u308b\u4e0d\u5177\u5408\u304c\u751f\u3058\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u3061\u3089\u3082\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u30e1\u30e2\u30ea\u9818\u57df\u3092\u5b89\u5168\u306b\u7ba1\u7406\u3057\u304d\u308c\u306a\u304b\u3063\u305f\u3053\u3068\u306b\u8d77\u56e0\u3059\u308b\u6b20\u9665\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-03.png\" alt=\"\u672a\u521d\u671f\u5316\u30e1\u30e2\u30ea\u304c\u7d42\u4e86\u51e6\u7406\u306b\u89e6\u308c\u308b\u5de6\u30d1\u30cd\u30eb\u3068\u3001\u89e3\u653e\u6e08\u307f\u30e1\u30e2\u30ea\u304c\u518d\u5229\u7528\u3055\u308c\u308b\u53f3\u30d1\u30cd\u30eb\u3092\u5206\u3051\u3066\u793a\u3057\u305f\u56f3\" class=\"wp-image-12620\" srcset=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-03.png 1536w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-03-300x200.png 300w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-03-644x429.png 644w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-03-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<h2 id=\"anker4\" class=\"wp-block-heading\">RCE\uff08\u9060\u9694\u30b3\u30fc\u30c9\u5b9f\u884c\uff09\u3068\u306f\u4f55\u304b\u3002\u4eca\u56de\u306e2\u4ef6\u3067\u4f55\u304c\u554f\u984c\u306a\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5206\u91ce\u3067\u7528\u3044\u3089\u308c\u308b\u300cRCE\u300d\u306f\u3001Remote Code Execution\uff08\u9060\u9694\u30b3\u30fc\u30c9\u5b9f\u884c\uff09\u306e\u7565\u79f0\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u7d4c\u7531\u3057\u3066\u5916\u90e8\u304b\u3089\u5bfe\u8c61\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3078\u547d\u4ee4\u3092\u9001\u308a\u3001\u4efb\u610f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3055\u305b\u3066\u3057\u307e\u3046\u5371\u967a\u306a\u72b6\u614b\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306aRCE\u306e\u8106\u5f31\u6027\u306b\u306f\u3001\u7ba1\u7406\u753b\u9762\u306b\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u308b\u6b63\u5f53\u306a\u6a29\u9650\u3092\u6301\u3064\u653b\u6483\u8005\u3060\u3051\u304c\u60aa\u7528\u3067\u304d\u308b\u3082\u306e\u3084\u3001\u5229\u7528\u8005\u306e\u7279\u5b9a\u306e\u30af\u30ea\u30c3\u30af\u64cd\u4f5c\u3092\u524d\u63d0\u3068\u3059\u308b\u3082\u306e\u3082\u542b\u307e\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u300cRCE\u300d\u3068\u3044\u3046\u7528\u8a9e\u305d\u306e\u3082\u306e\u304c\u3001\u7121\u6761\u4ef6\u306b\u5916\u90e8\u304b\u3089\u4fb5\u5165\u3067\u304d\u308b\u72b6\u614b\u3092\u6307\u3059\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001\u4eca\u56de\u306e2\u4ef6\u306b\u306f\u91cd\u5927\u306a\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002\u653b\u6483\u8005\u304c\u30b5\u30fc\u30d3\u30b9\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u6301\u305f\u305a\u3001\u7279\u5225\u306a\u6a29\u9650\u3092\u4e00\u5207\u6301\u305f\u306a\u3044\u672a\u8a8d\u8a3c\u306e\u72b6\u614b\u3067\u3042\u3063\u3066\u3082\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u6210\u7acb\u3059\u308b\u6027\u8cea\u3092\u6301\u3063\u3066\u3044\u308b\u70b9\u3067\u3059\u3002\u516c\u5f0f\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u306b\u3082\u3001\u6a29\u9650\u304c\u4e0d\u8981\u3067\u3042\u308b\u70b9\uff08Privileges Required: None\uff09\u3084\u5229\u7528\u8005\u306e\u95a2\u4e0e\u304c\u4e0d\u8981\u3067\u3042\u308b\u70b9\uff08User Interaction: None\uff09\u304c\u660e\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color: #fff44f; padding: 2px 4px; font-weight: bold;\">\u8a8d\u8a3c\u4e0d\u8981\uff08\u30ed\u30b0\u30a4\u30f3\u4e0d\u8981\uff09\u3067\u9060\u9694\u304b\u3089\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u308c\u5f97\u308b<\/mark>\u3068\u3044\u3046\u6027\u8cea\u3092\u6301\u3063\u3066\u3044\u305f\u3053\u3068\u304c\u3001\u4eca\u56de\u306e\u6b20\u9665\u304c\u8b66\u6212\u3092\u96c6\u3081\u305f\u5927\u304d\u306a\u7406\u7531\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-04.png\" alt=\"\u9375\u304c\u3042\u308b\u5834\u5408\u3068\u306a\u3044\u5834\u5408\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u5230\u9054\u3092\u6bd4\u8f03\u3057\u305f\u56f3\" class=\"wp-image-12621\" srcset=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-04.png 1536w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-04-300x200.png 300w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-04-644x429.png 644w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-04-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<h2 id=\"anker5\" class=\"wp-block-heading\">\u66f4\u65b0\u3059\u308b\u3068\u306a\u305c\u76f4\u308b\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u305c\u4fee\u6b63\u7248\u3092\u9069\u7528\u3059\u308b\u3060\u3051\u3067\u3001\u9060\u9694\u304b\u3089\u306e\u653b\u6483\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PHP\u958b\u767a\u30c1\u30fc\u30e0\u304c\u516c\u958b\u3057\u305f\u4fee\u6b63\u7248\uff08PHP 8.2.35\u30018.3.36\u30018.4.27\u30018.5.12\uff09\u3067\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u90e8\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u624b\u9806\u304c\u898b\u76f4\u3055\u308c\u3001<mark style=\"background-color: #fff44f; padding: 2px 4px; font-weight: bold;\">\u30e1\u30e2\u30ea\u306e\u521d\u671f\u5316\u3084\u89e3\u653e\u51e6\u7406\u304c\u6b63\u3057\u304f\u884c\u308f\u308c\u308b\u3088\u3046\u4fee\u6b63\u3055\u308c\u305f<\/mark>\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5909\u66f4\u306b\u3088\u3063\u3066\u3001\u4eca\u56de\u7279\u5b9a\u3055\u308c\u305f\u672a\u521d\u671f\u5316\u30e1\u30e2\u30ea\u306e\u4e0d\u6b63\u306a\u8aad\u307f\u66f8\u304d\u3084\u3001\u89e3\u653e\u6e08\u307f\u30e1\u30e2\u30ea\u306e\u518d\u5229\u7528\u3092\u9632\u3052\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001\u30b5\u30fc\u30d0\u30fc\u5411\u3051\u306eOS\u74b0\u5883\u306a\u3069\u3067\u306f\u3001PHP\u306e\u898b\u304b\u3051\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u8868\u8a18\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u63d0\u4f9b\u5143\u304c\u4fee\u6b63\u5185\u5bb9\u3060\u3051\u3092\u53d6\u308a\u8fbc\u3093\u3067\u9069\u7528\u3059\u308b\u300c\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u300d\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4fee\u6b63\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u3001PHP\u306e\u8868\u9762\u7684\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3060\u3051\u3067\u5224\u65ad\u305b\u305a\u3001OS\u3084\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u63d0\u4f9b\u5143\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u544a\u77e5\u3084\u30d1\u30c3\u30b1\u30fc\u30b8\u66f4\u65b0\u756a\u53f7\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002\u3053\u308c\u306fPHP 8.2\u4ee5\u964d\u306e\u74b0\u5883\u3067\u3082\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-05.png\" alt=\"\u3072\u3073\u5272\u308c\u305f\u7bb1\u304c\u3001\u3072\u3073\u5272\u308c\u306e\u7121\u3044\u65b0\u3057\u3044\u7bb1\u306b\u5165\u308c\u66ff\u308f\u308b\u69d8\u5b50\u3092\u793a\u3059\u30a4\u30e9\u30b9\u30c8\" class=\"wp-image-12622\" srcset=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-05.png 1536w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-05-300x200.png 300w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-05-644x429.png 644w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-05-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<h2 id=\"anker6\" class=\"wp-block-heading\">\u3053\u306e\u8106\u5f31\u6027\u306f\u81ea\u5206\u3084\u5bb6\u65cf\u306e\u30d1\u30bd\u30b3\u30f3\u30fb\u30b9\u30de\u30db\u306b\u76f4\u63a5\u95a2\u4fc2\u3042\u308b\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Web\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3057\u3066\u3044\u308b\u5229\u7528\u8005\u306e\u624b\u5143\u306b\u3042\u308b\u7aef\u672b\u306b\u3001\u3053\u306e\u6b20\u9665\u304c\u76f4\u63a5\u95a2\u4fc2\u3059\u308b\u306e\u304b\u3068\u3044\u3046\u70b9\u3082\u6c17\u306b\u306a\u308b\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u306e\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u306e\u306f\u3001\u5916\u90e8\u304b\u3089\u306eWeb\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u4ed8\u3051\u3066\u51e6\u7406\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u5074\u306ePHP\u74b0\u5883\u3067\u3059\u3002\u30d1\u30bd\u30b3\u30f3\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u30d6\u30e9\u30a6\u30b6\u30fc\u81ea\u4f53\u306b\u4eca\u56de\u306e\u6b20\u9665\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u5bb6\u5ead\u5185\u3067\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5b66\u7fd2\u306a\u3069\u3092\u76ee\u7684\u306b\u3001\u30d1\u30bd\u30b3\u30f3\u4e0a\u3067\u5916\u90e8\u304b\u3089\u306eWeb\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u4ed8\u3051\u308bPHP\u74b0\u5883\u3092\u52d5\u304b\u3057\u3066\u3044\u308b\u5834\u5408\u3082\u3001\u5bfe\u8c61\u306b\u306a\u308a\u5f97\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u5143\u306e\u7aef\u672b\u306e\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u4eca\u56de\u306e\u6b20\u9665\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3068\u3057\u3066\u3082\u3001\u5229\u7528\u3057\u3066\u3044\u308bWeb\u30b5\u30fc\u30d3\u30b9\u304c\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u53d7\u3051\u305f\u5834\u5408\u306b\u306f\u3001\u9810\u3051\u3066\u3044\u308b\u30c7\u30fc\u30bf\u306b\u5f71\u97ff\u304c\u53ca\u3076\u53ef\u80fd\u6027\u306f\u5426\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3078\u306e\u4e0d\u5b89\u3092\u611f\u3058\u305f\u3068\u304d\u306e\u5fc3\u69cb\u3048\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/tetraup.com\/news_topics\/column\/security-family-countermeasures-20261008\/\">\u500b\u4eba\u60c5\u5831\u6d41\u51fa\u304c\u4e0d\u5b89\u306a\u3068\u304d\u306b\uff5c\u5bb6\u5ead\u306e\u5bfe\u7b56\u3068\u76f8\u8ac7\u5148<\/a>\u3067\u3082\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9\u3092\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002\u8106\u5f31\u6027\u304c\u516c\u8868\u3055\u308c\u305f\u3053\u3068\u3068\u5b9f\u969b\u306e\u88ab\u5bb3\u304c\u8d77\u304d\u305f\u3053\u3068\u306f\u5225\u3067\u3042\u308a\u3001\u307e\u305a\u306f\u5229\u7528\u5148\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u306e\u516c\u5f0f\u306a\u6848\u5185\u306b\u76ee\u3092\u914d\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-06.png\" alt=\"\u8b66\u544a\u30de\u30fc\u30af\u306e\u4ed8\u3044\u305f\u30b5\u30fc\u30d0\u30fc\u3068\u5bb6\u5ead\u7528PC\u306e\u70b9\u7dda\u67a0\u3001\u8b66\u544a\u306e\u7121\u3044\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3092\u5de6\u53f3\u306b\u5206\u3051\u305f\u56f3\" class=\"wp-image-12623\" srcset=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-06.png 1536w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-06-300x200.png 300w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-06-644x429.png 644w, https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-img-06-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<h2 id=\"anker7\" class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q. \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3060\u3051\u3067\u5b9f\u884c\u3059\u308bPHP\u30b9\u30af\u30ea\u30d7\u30c8\u3082\u3001\u4eca\u56de\u306e\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u304b\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5f71\u97ff\u3092\u53d7\u3051\u308b\u306e\u306f\u4e3b\u306bWeb\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308bPHP\u74b0\u5883\u3067\u3059\u3002PHP\u516c\u5f0f\u306e\u767a\u8868\u3067\u306f\u3001PHP-FPM\u3084Apache\u306emod_php\u3001php-cgi\u306a\u3069\u3001Web\u30b5\u30fc\u30d0\u30fc\u7d4c\u7531\u3067\u5916\u90e8\u304b\u3089\u306e\u5165\u529b\u3092\u51e6\u7406\u3059\u308b\u4ed5\u7d44\u307f\u304c\u5bfe\u8c61\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5916\u90e8\u304b\u3089\u306e\u901a\u4fe1\u3092\u76f4\u63a5\u53d7\u3051\u4ed8\u3051\u306a\u3044\u5358\u72ec\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5b9f\u884c\u3068\u306f\u5f71\u97ff\u306e\u7bc4\u56f2\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q. \u30b5\u30fc\u30d3\u30b9\u304c\u4e00\u6642\u7684\u306b\u505c\u6b62\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3059\u3067\u306b\u500b\u4eba\u60c5\u5831\u304c\u6f0f\u3048\u3044\u3057\u305f\u3068\u8003\u3048\u308b\u3079\u304d\u3067\u3059\u304b\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u30b5\u30fc\u30d3\u30b9\u306e\u505c\u6b62\u304c\u76f4\u3061\u306b\u60c5\u5831\u306e\u6f0f\u3048\u3044\u3092\u610f\u5473\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q. PHP\u306e\u8a2d\u5b9a\u5909\u66f4\u3060\u3051\u3067\u4eca\u56de\u306e\u8106\u5f31\u6027\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u4fee\u6b63\u7248\uff088.2.35\u30018.3.36\u30018.4.27\u30018.5.12\uff09\u3078\u306e\u66f4\u65b0\u304c\u3001\u516c\u5f0f\u306b\u793a\u3055\u308c\u3066\u3044\u308b\u4fee\u6b63\u65b9\u6cd5\u3067\u3059\u3002\u8a2d\u5b9a\u5909\u66f4\u306b\u3088\u308b\u56de\u907f\u7b56\u306b\u3064\u3044\u3066\u306f\u3001\u4eca\u56de\u78ba\u8a8d\u3057\u305f\u516c\u5f0f\u8cc7\u6599\u306e\u7bc4\u56f2\u3067\u306f\u793a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 id=\"anker8\" class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">2026\u5e7410\u6708\u306b\u516c\u8868\u3055\u308c\u305f\u300cPHP2shell\u300d\uff08CVE-2026-109618\u304a\u3088\u3073CVE-2026-109619\uff09\u306f\u3001Web\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308bPHP\u672c\u4f53\u306b\u5b58\u5728\u3057\u305f2\u3064\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u6b20\u9665\u3067\u3059\u3002\u30e1\u30e2\u30ea\u4e0d\u8db3\u6642\u306b\u672a\u521d\u671f\u5316\u30e1\u30e2\u30ea\u3092\u4e0d\u6b63\u306b\u8aad\u307f\u66f8\u304d\u3057\u3066\u3057\u307e\u3046\u554f\u984c\u3068\u3001\u89e3\u653e\u6e08\u307f\u30e1\u30e2\u30ea\u3092\u8aa4\u3063\u3066\u518d\u5229\u7528\u3057\u3066\u3057\u307e\u3046use-after-free\u306e\u554f\u984c\u304c\u3001\u305d\u308c\u305e\u308c\u72ec\u7acb\u3057\u3066\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fee\u6b63\u7248\u3068\u306a\u308bPHP 8.2.35\u30018.3.36\u30018.4.27\u30018.5.12\u3078\u306e\u66f4\u65b0\u3001\u3042\u308b\u3044\u306f\u63d0\u4f9b\u5143\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u66f4\u65b0\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4eca\u56de\u7279\u5b9a\u3055\u308c\u305f\u30e1\u30e2\u30ea\u51e6\u7406\u306e\u6b20\u9665\u3092\u89e3\u6d88\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d6\u30e9\u30a6\u30b6\u30fc\u81ea\u4f53\u306b\u6b20\u9665\u304c\u3042\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u79c1\u305f\u3061\u304c\u5229\u7528\u3059\u308bWeb\u30b5\u30fc\u30d3\u30b9\u306e\u5b89\u5168\u3092\u5b88\u308b\u305f\u3081\u306b\u306f\u3001\u571f\u53f0\u3068\u306a\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4ed5\u7d44\u307f\u3092\u6b63\u3057\u304f\u77e5\u308b\u3053\u3068\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<br><div class=\"wp-block-button\"><a class=\"wp-block-button__link has-very-dark-gray-color has-light-green-cyan-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/tetraup.com\/education\/trial-form\" style=\"border-radius:3px\" target=\"_blank\" rel=\"noreferrer noopener\">\u7121\u6599\u4f53\u9a13\u306e\u304a\u7533\u3057\u8fbc\u307f\u306f\u30b3\u30c1\u30e9<\/a><\/div><br>\n\n\n\n<h3 id=\"anker8-1\" class=\"wp-block-heading\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/tetraup.com\/news_topics\/column\/security-family-countermeasures-20261008\/\">\u500b\u4eba\u60c5\u5831\u6d41\u51fa\u304c\u4e0d\u5b89\u306a\u3068\u304d\u306b\uff5c\u5bb6\u5ead\u306e\u5bfe\u7b56\u3068\u76f8\u8ac7\u5148<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/tetraup.com\/news_topics\/column\/domestic-personal-data-disclosures-20261008\/\">\u500b\u4eba\u60c5\u5831\u6d41\u51fa\u306e\u516c\u8868\u4e00\u89a7\uff5c\u56fd\u518513\u7d44\u7e54\u306e\u4e8b\u5b9f\u3092\u78ba\u8a8d<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/tetraup.com\/news_topics\/column\/korea-finance-ai-security-20261008\/\">\u97d3\u56fd\u91d1\u878d\u306e\u60c5\u5831\u6d41\u51fa\u3068AI\u60aa\u7528\uff5c\u65e5\u672c\u3078\u306e\u5f71\u97ff\u3092\u8003\u3048\u308b<\/a><\/li>\n<\/ul>\n\n\n\n<h3 id=\"anker8-2\" class=\"wp-block-heading\">\u53c2\u8003\u8cc7\u6599<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.ipa.go.jp\/security\/security-alert\/2026\/alert20261022.html\" target=\"_blank\" rel=\"noopener noreferrer\">PHP\u306e\u8106\u5f31\u6027\u5bfe\u7b56\u306b\u3064\u3044\u3066(CVE-2026-109618\u3001CVE-2026-109619\uff1aPHP2shell) &#8211; IPA<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.php.net\/archive\/2026.php#2026-10-21-5\" target=\"_blank\" rel=\"noopener noreferrer\">PHP: 2026 archive<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/php\/php-src\/security\/advisories\/GHSA-w8hw-w9fx-j79w\" target=\"_blank\" rel=\"noopener noreferrer\">RCE via OOM corruption \u00b7 Advisory \u00b7 php\/php-src \u00b7 GitHub<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/php\/php-src\/security\/advisories\/GHSA-6wmf-4rv5-p3rp\" target=\"_blank\" rel=\"noopener noreferrer\">RCE via stale global state \u00b7 Advisory \u00b7 php\/php-src \u00b7 GitHub<\/a><\/li>\n<\/ul>\n\n\n\n<div class=\"tetraup-studio-meta\" data-request-hash=\"591b31aeb0ba242e60b600f96579933fb6201876cc44f49360cb260e3b9e234c\" data-metadata-hash=\"2945e122e304811f54db5058d1b349e7712ca0414f985d0b4cb30ffb1aa0c454\" data-metadata-fields=\"title,slug,excerpt,categories,tags,thumbnailId,images\" style=\"display:none\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u300cPHP2shell\u300d\u3068\u547c\u3070\u308c\u308bPHP\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u3001PHP\u672c\u4f53\u30fbWeb\u30a2\u30d7\u30ea\u30fb\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u5f79\u5272\u306e\u9055\u3044\u3084\u3001\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u6b20\u96652\u7a2e\u985e\u3068RCE\uff08\u9060\u9694\u30b3\u30fc\u30c9\u5b9f\u884c\uff09\u306e\u95a2\u4fc2\u3001\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0\u3067\u76f4\u308b\u7406\u7531\u3092\u4e00\u6b21\u60c5\u5831\u3092\u3082\u3068\u306b\u6574\u7406\u3057\u3001\u30cb\u30e5\u30fc\u30b9\u306e\u898b\u51fa\u3057\u3060\u3051\u3067\u4e0d\u5b89\u306b\u306a\u3089\u305a\u306b\u8aad\u3081\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":5,"featured_media":12618,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[37],"tags":[50,102,38,22,104,23],"class_list":["post-12624","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-column","tag-it","tag-102","tag-38","tag-22","tag-104","tag-23"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Eiki Yoshida\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"ja_JP\" \/>\n\t\t<meta property=\"og:site_name\" content=\"\u30cb\u30e5\u30fc\u30b9&amp;\u30c8\u30d4\u30c3\u30af\u30b9 | KnocknoteEducation\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6 | TETRA UP \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6559\u5ba4\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/\" \/>\n\t\t<meta property=\"fb:admins\" content=\"1225479620796563\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-01-thumbnail.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-01-thumbnail.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"980\" \/>\n\t\t<meta property=\"og:image:height\" content=\"700\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-10-23T09:54:19+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-10-23T09:54:19+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/KnocknoteEducation\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@KnocknoteE\" \/>\n\t\t<meta name=\"twitter:title\" content=\"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6 | TETRA UP \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6559\u5ba4\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-01-thumbnail.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#article\",\"name\":\"PHP2shell\\u3068\\u306f\\uff1fRCE\\u3068\\u6b20\\u96652\\u7a2e\\u985e\\u3067\\u308f\\u304b\\u308b\\u5371\\u967a\\u5ea6 | TETRA UP \\u30d7\\u30ed\\u30b0\\u30e9\\u30df\\u30f3\\u30b0\\u6559\\u5ba4\",\"headline\":\"PHP2shell\\u3068\\u306f\\uff1fRCE\\u3068\\u6b20\\u96652\\u7a2e\\u985e\\u3067\\u308f\\u304b\\u308b\\u5371\\u967a\\u5ea6\",\"author\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/author\\\/eiki-yoshida\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/php2shell-rce-basics-01-thumbnail.png\",\"width\":980,\"height\":700},\"datePublished\":\"2026-10-23T18:54:19+09:00\",\"dateModified\":\"2026-10-23T18:54:19+09:00\",\"inLanguage\":\"ja\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#webpage\"},\"articleSection\":\"\\u30b3\\u30e9\\u30e0, IT\\u95a2\\u9023, \\u30c6\\u30af\\u30ce\\u30ed\\u30b8\\u30fc\\u3068\\u793e\\u4f1a, \\u30d7\\u30ed\\u30b0\\u30e9\\u30df\\u30f3\\u30b0\\u6559\\u80b2, \\u4e2d\\u5b66\\u751f\\u5411\\u3051, \\u793e\\u4f1a\\u554f\\u984c, \\u9ad8\\u6821\\u751f\\u5411\\u3051\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/category\\\/column\\\/#listItem\",\"name\":\"\\u30b3\\u30e9\\u30e0\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/category\\\/column\\\/#listItem\",\"position\":2,\"name\":\"\\u30b3\\u30e9\\u30e0\",\"item\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/category\\\/column\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#listItem\",\"name\":\"PHP2shell\\u3068\\u306f\\uff1fRCE\\u3068\\u6b20\\u96652\\u7a2e\\u985e\\u3067\\u308f\\u304b\\u308b\\u5371\\u967a\\u5ea6\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#listItem\",\"position\":3,\"name\":\"PHP2shell\\u3068\\u306f\\uff1fRCE\\u3068\\u6b20\\u96652\\u7a2e\\u985e\\u3067\\u308f\\u304b\\u308b\\u5371\\u967a\\u5ea6\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/category\\\/column\\\/#listItem\",\"name\":\"\\u30b3\\u30e9\\u30e0\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/#organization\",\"name\":\"TETRA UP\",\"description\":\"\\u5b50\\u3069\\u3082\\u305f\\u3061\\u306e\\u30df\\u30e9\\u30a4\\u3092\\u5275\\u308b\\u30d7\\u30ed\\u30b0\\u30e9\\u30df\\u30f3\\u30b0\\u30b9\\u30af\\u30fc\\u30eb\",\"url\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/\",\"telephone\":\"+81367098725\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/tetraup.com\\\/education\\\/img\\\/cropped-tetra_up_favicon.png\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#organizationLogo\"},\"image\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#organizationLogo\"},\"sameAs\":[\"https:\\\/\\\/www.instagram.com\\\/tetraup\\\/\",\"https:\\\/\\\/www.tiktok.com\\\/@daichan_tetraup\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC59I963hxVZRSIKD-vvFflg\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/author\\\/eiki-yoshida\\\/#author\",\"url\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/author\\\/eiki-yoshida\\\/\",\"name\":\"Eiki Yoshida\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#authorImage\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/11e1265b25e5b85d3c144c43de91068c9efb759c1fec7ee13e63661b7e2253fa?s=96&d=mm&r=g\",\"width\":96,\"height\":96,\"caption\":\"Eiki Yoshida\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#webpage\",\"url\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/\",\"name\":\"PHP2shell\\u3068\\u306f\\uff1fRCE\\u3068\\u6b20\\u96652\\u7a2e\\u985e\\u3067\\u308f\\u304b\\u308b\\u5371\\u967a\\u5ea6 | TETRA UP \\u30d7\\u30ed\\u30b0\\u30e9\\u30df\\u30f3\\u30b0\\u6559\\u5ba4\",\"inLanguage\":\"ja\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/author\\\/eiki-yoshida\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/author\\\/eiki-yoshida\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/php2shell-rce-basics-01-thumbnail.png\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#mainImage\",\"width\":980,\"height\":700},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/column\\\/php2shell-rce-basics\\\/#mainImage\"},\"datePublished\":\"2026-10-23T18:54:19+09:00\",\"dateModified\":\"2026-10-23T18:54:19+09:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/#website\",\"url\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/\",\"name\":\"TETRA UP\",\"description\":\"\\u5b50\\u3069\\u3082\\u305f\\u3061\\u306e\\u30df\\u30e9\\u30a4\\u3092\\u5275\\u308b\\u30d7\\u30ed\\u30b0\\u30e9\\u30df\\u30f3\\u30b0\\u30b9\\u30af\\u30fc\\u30eb\",\"inLanguage\":\"ja\",\"publisher\":{\"@id\":\"https:\\\/\\\/tetraup.com\\\/news_topics\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6 | TETRA UP \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6559\u5ba4","description":"","canonical_url":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#article","name":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6 | TETRA UP \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6559\u5ba4","headline":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6","author":{"@id":"https:\/\/tetraup.com\/news_topics\/author\/eiki-yoshida\/#author"},"publisher":{"@id":"https:\/\/tetraup.com\/news_topics\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-01-thumbnail.png","width":980,"height":700},"datePublished":"2026-10-23T18:54:19+09:00","dateModified":"2026-10-23T18:54:19+09:00","inLanguage":"ja","mainEntityOfPage":{"@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#webpage"},"isPartOf":{"@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#webpage"},"articleSection":"\u30b3\u30e9\u30e0, IT\u95a2\u9023, \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u793e\u4f1a, \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6559\u80b2, \u4e2d\u5b66\u751f\u5411\u3051, \u793e\u4f1a\u554f\u984c, \u9ad8\u6821\u751f\u5411\u3051"},{"@type":"BreadcrumbList","@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/tetraup.com\/news_topics\/#listItem","position":1,"name":"Home","item":"https:\/\/tetraup.com\/news_topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/tetraup.com\/news_topics\/category\/column\/#listItem","name":"\u30b3\u30e9\u30e0"}},{"@type":"ListItem","@id":"https:\/\/tetraup.com\/news_topics\/category\/column\/#listItem","position":2,"name":"\u30b3\u30e9\u30e0","item":"https:\/\/tetraup.com\/news_topics\/category\/column\/","nextItem":{"@type":"ListItem","@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#listItem","name":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6"},"previousItem":{"@type":"ListItem","@id":"https:\/\/tetraup.com\/news_topics\/#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#listItem","position":3,"name":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6","previousItem":{"@type":"ListItem","@id":"https:\/\/tetraup.com\/news_topics\/category\/column\/#listItem","name":"\u30b3\u30e9\u30e0"}}]},{"@type":"Organization","@id":"https:\/\/tetraup.com\/news_topics\/#organization","name":"TETRA UP","description":"\u5b50\u3069\u3082\u305f\u3061\u306e\u30df\u30e9\u30a4\u3092\u5275\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb","url":"https:\/\/tetraup.com\/news_topics\/","telephone":"+81367098725","logo":{"@type":"ImageObject","url":"https:\/\/tetraup.com\/education\/img\/cropped-tetra_up_favicon.png","@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#organizationLogo"},"image":{"@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#organizationLogo"},"sameAs":["https:\/\/www.instagram.com\/tetraup\/","https:\/\/www.tiktok.com\/@daichan_tetraup","https:\/\/www.youtube.com\/channel\/UC59I963hxVZRSIKD-vvFflg"]},{"@type":"Person","@id":"https:\/\/tetraup.com\/news_topics\/author\/eiki-yoshida\/#author","url":"https:\/\/tetraup.com\/news_topics\/author\/eiki-yoshida\/","name":"Eiki Yoshida","image":{"@type":"ImageObject","@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#authorImage","url":"https:\/\/secure.gravatar.com\/avatar\/11e1265b25e5b85d3c144c43de91068c9efb759c1fec7ee13e63661b7e2253fa?s=96&d=mm&r=g","width":96,"height":96,"caption":"Eiki Yoshida"}},{"@type":"WebPage","@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#webpage","url":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/","name":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6 | TETRA UP \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6559\u5ba4","inLanguage":"ja","isPartOf":{"@id":"https:\/\/tetraup.com\/news_topics\/#website"},"breadcrumb":{"@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#breadcrumblist"},"author":{"@id":"https:\/\/tetraup.com\/news_topics\/author\/eiki-yoshida\/#author"},"creator":{"@id":"https:\/\/tetraup.com\/news_topics\/author\/eiki-yoshida\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-01-thumbnail.png","@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#mainImage","width":980,"height":700},"primaryImageOfPage":{"@id":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/#mainImage"},"datePublished":"2026-10-23T18:54:19+09:00","dateModified":"2026-10-23T18:54:19+09:00"},{"@type":"WebSite","@id":"https:\/\/tetraup.com\/news_topics\/#website","url":"https:\/\/tetraup.com\/news_topics\/","name":"TETRA UP","description":"\u5b50\u3069\u3082\u305f\u3061\u306e\u30df\u30e9\u30a4\u3092\u5275\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb","inLanguage":"ja","publisher":{"@id":"https:\/\/tetraup.com\/news_topics\/#organization"}}]},"og:locale":"ja_JP","og:site_name":"\u30cb\u30e5\u30fc\u30b9&amp;\u30c8\u30d4\u30c3\u30af\u30b9 | KnocknoteEducation","og:type":"article","og:title":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6 | TETRA UP \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6559\u5ba4","og:url":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/","fb:admins":"1225479620796563","og:image":"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-01-thumbnail.png","og:image:secure_url":"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-01-thumbnail.png","og:image:width":980,"og:image:height":700,"article:published_time":"2026-10-23T09:54:19+00:00","article:modified_time":"2026-10-23T09:54:19+00:00","article:publisher":"https:\/\/www.facebook.com\/KnocknoteEducation","twitter:card":"summary","twitter:site":"@KnocknoteE","twitter:title":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6 | TETRA UP \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6559\u5ba4","twitter:image":"https:\/\/tetraup.com\/news_topics\/wp-content\/uploads\/2026\/10\/php2shell-rce-basics-01-thumbnail.png"},"aioseo_meta_data":{"post_id":"12624","title":null,"description":null,"keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"Article","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":{"subject":"","preview":"","content":""},"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2026-10-23 07:10:16","updated":"2026-10-23 09:54:29","seo_analyzer_scan_date":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/tetraup.com\/news_topics\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/tetraup.com\/news_topics\/category\/column\/\" title=\"\u30b3\u30e9\u30e0\">\u30b3\u30e9\u30e0<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tPHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/tetraup.com\/news_topics\/"},{"label":"\u30b3\u30e9\u30e0","link":"https:\/\/tetraup.com\/news_topics\/category\/column\/"},{"label":"PHP2shell\u3068\u306f\uff1fRCE\u3068\u6b20\u96652\u7a2e\u985e\u3067\u308f\u304b\u308b\u5371\u967a\u5ea6","link":"https:\/\/tetraup.com\/news_topics\/column\/php2shell-rce-basics\/"}],"_links":{"self":[{"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/posts\/12624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/comments?post=12624"}],"version-history":[{"count":2,"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/posts\/12624\/revisions"}],"predecessor-version":[{"id":12647,"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/posts\/12624\/revisions\/12647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/media\/12618"}],"wp:attachment":[{"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/media?parent=12624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/categories?post=12624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tetraup.com\/news_topics\/wp-json\/wp\/v2\/tags?post=12624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}