{"id":1034,"date":"2026-11-12T23:58:38","date_gmt":"2026-11-12T15:58:38","guid":{"rendered":"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-5a4df9e19e54b44cfe565ac1c345523c04f289b107de212154247bf3eb7d1bdd\/"},"modified":"2026-11-12T23:58:38","modified_gmt":"2026-11-12T15:58:38","slug":"pulsemate-security-5a4df9e19e54b44cfe565ac1c345523c04f289b107de212154247bf3eb7d1bdd","status":"publish","type":"post","link":"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-5a4df9e19e54b44cfe565ac1c345523c04f289b107de212154247bf3eb7d1bdd\/","title":{"rendered":"PostgreSQL \u6269\u5c55\u8def\u5f84\u52ab\u6301\u6f0f\u6d1e\u6df1\u5ea6\u5256\u6790\uff1aCVE-2026-6467 \u63d0\u6743\u94fe\u4e0e\u751f\u4ea7\u52a0\u56fa\u5b9e\u6218"},"content":{"rendered":"<blockquote class=\"doc-lead\"><p><strong>\u5bfc\u8bed\uff1a<\/strong>PostgreSQL \u6269\u5c55\u8def\u5f84\u52ab\u6301\uff08CVE-2026-6467\uff09\u662f 2026 \u5e74\u6570\u636e\u5e93\u5b89\u5168\u9886\u57df\u6700\u503c\u5f97\u8b66\u60d5\u7684\u63d0\u6743\u7c7b\u7f3a\u9677\u4e4b\u4e00\u2014\u2014\u5b83\u628a\u201c\u4ec5\u5177\u5907 CREATE \u6743\u9650\u7684\u666e\u901a\u79df\u6237\u201d\u76f4\u63a5\u62ac\u5347\u4e3a\u53ef\u6267\u884c\u4efb\u610f\u4ee3\u7801\u7684 bootstrap \u8d85\u7ea7\u7528\u6237\u3002\u672c\u6587\u4ee5\u67b6\u6784\u5e08\u89c6\u89d2\u5b8c\u6574\u62c6\u89e3\u8be5\u6f0f\u6d1e\u7684\u4fe1\u4efb\u8fb9\u754c\u5d29\u584c\u8fc7\u7a0b\u3001\u653b\u51fb\u94fe\u590d\u73b0\u8def\u5f84\u4e0e\u751f\u4ea7\u73af\u5883\u52a0\u56fa\u843d\u5730\u6e05\u5355\u3002<\/p><\/blockquote>\n<div class=\"doc-spec-grid\">\n<div class=\"doc-spec-item\"><span class=\"doc-spec-label\">\ud83c\udfaf \u6838\u5fc3\u6280\u672f<\/span><span class=\"doc-spec-value\">PostgreSQL CREATE EXTENSION \/ \u641c\u7d22\u8def\u5f84\u89e3\u6790<\/span><\/div>\n<div class=\"doc-spec-item\"><span class=\"doc-spec-label\">\u26a1 \u67b6\u6784\u96be\u5ea6<\/span><span class=\"doc-spec-value\">\u8d44\u6df1\u67b6\u6784\u7ea7 (Level 3-4)<\/span><\/div>\n<div class=\"doc-spec-item\"><span class=\"doc-spec-label\">\ud83d\ude80 \u6838\u5fc3\u6536\u76ca<\/span><span class=\"doc-spec-value\">\u963b\u65ad CREATE\u2192Superuser \u63d0\u6743\u94fe\uff0cCVSS 7.2 \u9ad8\u5371\u95ed\u73af<\/span><\/div>\n<\/div>\n<h2 class=\"doc-h2\">\u4e00\u3001PostgreSQL \u6269\u5c55\u8def\u5f84\u52ab\u6301\uff1a\u4e00\u6b21\u4fe1\u4efb\u8fb9\u754c\u7684\u9759\u9ed8\u5d29\u584c<\/h2>\n<p class=\"doc-p\">\u5728 PostgreSQL \u7684\u6743\u9650\u6a21\u578b\u4e2d\uff0c<code>CREATE<\/code> \u6743\u9650\u957f\u671f\u88ab\u89c6\u4e3a\u201c\u4f4e\u5371\u6743\u9650\u201d\u2014\u2014\u5b83\u53ea\u5141\u8bb8\u5728\u6307\u5b9a schema \u5185\u5efa\u8868\u3001\u5efa\u51fd\u6570\u3001\u5efa\u7c7b\u578b\u3002\u4f46 CVE-2026-6467 \u6253\u7834\u4e86\u8fd9\u4e2a\u5047\u8bbe\uff1a\u5f53 <code>CREATE EXTENSION<\/code> \u4e0e <code>ALTER EXTENSION<\/code> \u5728\u6267\u884c\u53ef\u4fe1\u6269\u5c55\uff08trusted extension\uff09\u811a\u672c\u65f6\uff0c\u82e5\u811a\u672c\u5185\u90e8\u7684 <code>search_path<\/code> \u89e3\u6790\u88ab\u653b\u51fb\u8005\u53ef\u63a7\u7684 schema \u62a2\u5148\u547d\u4e2d\uff0c\u90a3\u4e48\u811a\u672c\u4e2d\u672c\u5e94\u6307\u5411\u7cfb\u7edf\u5bf9\u8c61\u7684\u5f15\u7528\u5c31\u4f1a\u88ab\u66ff\u6362\u4e3a\u653b\u51fb\u8005\u9884\u7f6e\u7684\u540c\u540d\u5bf9\u8c61\uff0c\u4ece\u800c\u4ee5 bootstrap \u8d85\u7ea7\u7528\u6237\uff08\u5373 initdb \u9636\u6bb5\u521b\u5efa\u7684\u8d85\u7ea7\u7528\u6237\u4e0a\u4e0b\u6587\uff09\u6267\u884c\u4efb\u610f SQL\u3002<\/p>\n<p class=\"doc-p\">\u8fd9\u4e0d\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u201c\u8def\u5f84\u672a\u56fa\u5b9a\u201d\u95ee\u9898\uff0c\u800c\u662f\u4e00\u6b21<strong>\u5bf9\u8c61\u89e3\u6790\u65f6\u5e8f\u4e0e\u6743\u9650\u4e0a\u4e0b\u6587\u9519\u914d<\/strong>\u5bfc\u81f4\u7684\u63d0\u6743\u3002\u653b\u51fb\u8005\u53ea\u9700\u4e24\u4e2a\u539f\u8bed\uff1a<code>ALTER SCHEMA ... RENAME<\/code> \u5236\u9020\u547d\u540d\u51b2\u7a81\uff0c\u6216 <code>CREATE EXTENSION ... SCHEMA \"$user\"<\/code> \u5c06\u6269\u5c55\u5b89\u88c5\u5230\u4ee5\u5f53\u524d\u7528\u6237\u547d\u540d\u7684 schema \u4e2d\uff0c\u5373\u53ef\u8ba9\u53ef\u4fe1\u6269\u5c55\u811a\u672c\u201c\u627e\u9519\u5bf9\u8c61\u201d\u3002<\/p>\n<div class=\"doc-arch-card\">\n<div class=\"doc-arch-header\">\n<div class=\"doc-arch-title-wrap\">\n      <span class=\"doc-arch-title\"><span class=\"icon\">\ud83d\udcd0<\/span> CVE-2026-6467 \u6269\u5c55\u8def\u5f84\u52ab\u6301\u653b\u51fb\u94fe\u5168\u666f<\/span><br \/>\n      <span class=\"doc-arch-badge\">\u4f01\u4e1a\u7ea7\u67b6\u6784\u89c4\u8303<\/span>\n    <\/div>\n<div class=\"doc-arch-actions\">\n      <button type=\"button\" class=\"doc-arch-btn btn-copy-raw\">\ud83d\udccb \u590d\u5236\u6e90\u7801<\/button><br \/>\n      <button type=\"button\" class=\"doc-arch-btn btn-zoom-arch\">\ud83d\udd0d \u653e\u5927\u67e5\u770b<\/button>\n    <\/div>\n<\/p><\/div>\n<pre class=\"mermaid\">\nflowchart TD\n    subgraph \u63a5\u5165\u5c42 [\"\u653b\u51fb\u8005\u63a5\u5165\u4e0e\u6743\u9650\u5c42 (Attacker &amp; Privilege Tier)\"]\n        A[\"\u4f4e\u6743\u9650\u79df\u6237 (\u4ec5 CREATE \u6743\u9650)\"] --&gt; B[\"ALTER SCHEMA RENAME \u5236\u9020\u547d\u540d\u51b2\u7a81\"]\n        A --&gt; C[\"CREATE EXTENSION ... SCHEMA $user\"]\n    end\n    subgraph \u89c4\u5219\u5c42 [\"\u6269\u5c55\u5b89\u88c5\u4e0e\u641c\u7d22\u8def\u5f84\u89e3\u6790\u5c42 (Extension &amp; Search Path Tier)\"]\n        B --&gt; D[\"\u53ef\u4fe1\u6269\u5c55\u811a\u672c\u6267\u884c (trusted extension)\"]\n        C --&gt; D\n        D --&gt; E[\"search_path \u89e3\u6790\u547d\u4e2d\u653b\u51fb\u8005\u540c\u540d\u5bf9\u8c61\"]\n    end\n    subgraph \u9886\u57df\u5c42 [\"\u63d0\u6743\u6267\u884c\u5c42 (Privilege Escalation Tier)\"]\n        E --&gt; F[\"\u811a\u672c\u4ee5 bootstrap \u8d85\u7ea7\u7528\u6237\u4e0a\u4e0b\u6587\u6267\u884c\"]\n        F --&gt; G[\"\u4efb\u610f SQL \/ \u4efb\u610f\u4ee3\u7801\u6267\u884c\"]\n    end\n    subgraph \u5b58\u50a8\u5c42 [\"\u6301\u4e45\u5316\u4e0e\u5f71\u54cd\u5c42 (Impact Tier)\"]\n        G --&gt; H[(\"\u6570\u636e\u5e93\u5b8c\u5168\u5931\u9677 \/ \u6570\u636e\u6cc4\u9732\u4e0e\u7be1\u6539\")]\n    end\n  <\/pre>\n<div class=\"doc-arch-caption\">\u56fe 1: PostgreSQL \u6269\u5c55\u8def\u5f84\u52ab\u6301\u653b\u51fb\u94fe\uff0c\u4ece\u4f4e\u6743\u9650 CREATE \u5230 bootstrap \u8d85\u7ea7\u7528\u6237\u4efb\u610f\u4ee3\u7801\u6267\u884c\u7684\u5b8c\u6574\u6d41\u5411\u3002<\/div>\n<\/div>\n<h2 class=\"doc-h2\">\u4e8c\u3001\u6f0f\u6d1e\u539f\u7406\u62c6\u89e3\uff1a\u53ef\u4fe1\u6269\u5c55\u4e3a\u4f55\u201c\u627e\u9519\u5bf9\u8c61\u201d<\/h2>\n<h3 class=\"doc-h3\">2.1 \u53ef\u4fe1\u6269\u5c55\u7684\u6743\u9650\u5047\u8bbe<\/h3>\n<p class=\"doc-p\">PostgreSQL \u5f15\u5165 trusted extension \u673a\u5236\uff0c\u672c\u610f\u662f\u8ba9\u975e\u8d85\u7ea7\u7528\u6237\u4e5f\u80fd\u5b89\u88c5\u7ecf\u8fc7\u5ba1\u6838\u7684\u6269\u5c55\uff08\u5982 <code>hstore<\/code>\u3001<code>pgcrypto<\/code> \u7684\u90e8\u5206\u573a\u666f\uff09\u3002\u5176\u5b89\u5168\u524d\u63d0\u662f\uff1a\u6269\u5c55\u811a\u672c\u7531\u6269\u5c55\u4f5c\u8005\u7f16\u5199\uff0c\u6267\u884c\u65f6\u4ee5\u53d7\u63a7\u4e0a\u4e0b\u6587\u8fd0\u884c\uff0c\u811a\u672c\u5185\u5f15\u7528\u7684\u5bf9\u8c61\u5e94\u5f53\u7a33\u5b9a\u89e3\u6790\u5230\u7cfb\u7edf\u6216\u6269\u5c55\u81ea\u8eab schema\u3002\u7136\u800c\u8be5\u524d\u63d0\u4f9d\u8d56\u4e8e <code>search_path<\/code> \u7684\u786e\u5b9a\u6027\u2014\u2014\u4e00\u65e6\u89e3\u6790\u987a\u5e8f\u53ef\u88ab\u653b\u51fb\u8005\u5f71\u54cd\uff0c\u811a\u672c\u5185\u7684\u51fd\u6570\u8c03\u7528\u3001\u7c7b\u578b\u5f15\u7528\u3001\u64cd\u4f5c\u7b26\u7ed1\u5b9a\u5c31\u53ef\u80fd\u6307\u5411\u653b\u51fb\u8005\u5bf9\u8c61\u3002<\/p>\n<h3 class=\"doc-h3\">2.2 \u4e24\u4e2a\u653b\u51fb\u539f\u8bed<\/h3>\n<ul class=\"doc-list\">\n<li><strong>ALTER SCHEMA &#8230; RENAME\uff1a<\/strong>\u653b\u51fb\u8005\u5c06\u81ea\u5df1\u62e5\u6709\u7684 schema \u91cd\u547d\u540d\u4e3a\u6269\u5c55\u811a\u672c\u671f\u671b\u7684 schema \u540d\uff0c\u4f7f\u811a\u672c\u5728\u89e3\u6790\u65f6\u4f18\u5148\u547d\u4e2d\u653b\u51fb\u8005 schema \u4e0b\u7684\u540c\u540d\u5bf9\u8c61\u3002<\/li>\n<li><strong>CREATE EXTENSION &#8230; SCHEMA &#8220;$user&#8221;\uff1a<\/strong>\u5229\u7528 <code>$user<\/code> \u5360\u4f4d\u7b26\u5c06\u6269\u5c55\u5b89\u88c5\u5230\u4ee5\u5f53\u524d\u7528\u6237\u540d\u547d\u540d\u7684 schema\uff0c\u800c\u8be5 schema \u4f4d\u4e8e\u641c\u7d22\u8def\u5f84\u524d\u5217\uff0c\u4ece\u800c\u52ab\u6301\u811a\u672c\u5185\u7684\u5bf9\u8c61\u89e3\u6790\u3002<\/li>\n<\/ul>\n<p class=\"doc-p\">\u4e24\u8005\u5171\u540c\u6307\u5411\u540c\u4e00\u4e2a\u6839\u56e0\uff1a<strong>\u6269\u5c55\u811a\u672c\u6267\u884c\u671f\u95f4\u672a\u5c06 search_path \u56fa\u5b9a\u4e3a\u5b89\u5168\u503c<\/strong>\uff0c\u4e14\u5bf9\u8c61\u89e3\u6790\u53d1\u751f\u5728\u6743\u9650\u63d0\u5347\u4e4b\u540e\u3002ALTER EXTENSION \u540c\u6837\u53d7\u5f71\u54cd\uff0c\u610f\u5473\u7740\u5373\u4f7f\u6269\u5c55\u5df2\u5b89\u88c5\uff0c\u540e\u7eed\u7684\u6269\u5c55\u53d8\u66f4\u64cd\u4f5c\u4ecd\u53ef\u80fd\u88ab\u52ab\u6301\u3002<\/p>\n<div class=\"doc-callout doc-callout-danger\">\n<div class=\"doc-callout-title\">\ud83d\udea8 \u4e25\u91cd\u9690\u60a3\u544a\u8b66<\/div>\n<p>\u8be5\u6f0f\u6d1e\u7684\u53ef\u6015\u4e4b\u5904\u5728\u4e8e\u653b\u51fb\u95e8\u69db\u6781\u4f4e\uff1a\u653b\u51fb\u8005\u65e0\u9700\u8d85\u7ea7\u7528\u6237\u3001\u65e0\u9700\u6587\u4ef6\u7cfb\u7edf\u6743\u9650\uff0c\u4ec5\u51ed\u6570\u636e\u5e93\u7ea7 CREATE \u6743\u9650\u5373\u53ef\u5b8c\u6210\u63d0\u6743\u3002\u5728\u591a\u79df\u6237 SaaS\u3001\u5171\u4eab\u6570\u636e\u5e93\u5b9e\u4f8b\u3001\u4ee5\u53ca\u201c\u7ed9\u4e1a\u52a1\u8d26\u53f7\u5f00 CREATE \u6743\u9650\u201d\u7684\u5e38\u89c1\u8fd0\u7ef4\u4e60\u60ef\u4e0b\uff0c\u8fd9\u51e0\u4e4e\u7b49\u540c\u4e8e\u628a\u8d85\u7ea7\u7528\u6237\u94a5\u5319\u4ea4\u7ed9\u4e86\u666e\u901a\u79df\u6237\u3002<\/p><\/div>\n<h2 class=\"doc-h2\">\u4e09\u3001\u5f71\u54cd\u8303\u56f4\u4e0e\u7248\u672c\u77e9\u9635<\/h2>\n<p class=\"doc-p\">\u6839\u636e GHSA-pm32-vprj-4hwf \u516c\u544a\uff0c\u53d7\u5f71\u54cd\u7248\u672c\u4e3a PostgreSQL 18.7\u300117.12\u300116.16\u300115.20\u300114.25 \u4e4b\u524d\u7684\u5168\u90e8\u7248\u672c\u3002CVSS \u8bc4\u5206 7.2\uff08High\uff09\uff0c\u653b\u51fb\u5411\u91cf\u4e3a\u7f51\u7edc\u53ef\u8fbe\u7684\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u6743\u9650\u8981\u6c42\u4e3a\u4f4e\u6743\u9650\uff08CREATE\uff09\uff0c\u673a\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u3001\u53ef\u7528\u6027\u5747\u53d7\u4e25\u91cd\u5f71\u54cd\u3002<\/p>\n<div class=\"doc-table-wrapper\">\n<table class=\"doc-table\">\n<thead>\n<tr>\n<th>\u8bc4\u4f30\u7ef4\u5ea6<\/th>\n<th>\u53d7\u5f71\u54cd\u7248\u672c<\/th>\n<th>\u4fee\u590d\u7248\u672c<\/th>\n<th>\u67b6\u6784\u5904\u7f6e\u5efa\u8bae<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e3b\u7248\u672c 18<\/td>\n<td>&lt; 18.7<\/td>\n<td>18.7<\/td>\n<td><span class=\"badge-tag-green\">\u7acb\u5373\u5347\u7ea7<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u4e3b\u7248\u672c 17<\/td>\n<td>&lt; 17.12<\/td>\n<td>17.12<\/td>\n<td><span class=\"badge-tag-green\">\u7acb\u5373\u5347\u7ea7<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u4e3b\u7248\u672c 16<\/td>\n<td>&lt; 16.16<\/td>\n<td>16.16<\/td>\n<td><span class=\"badge-tag-green\">\u7acb\u5373\u5347\u7ea7<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u4e3b\u7248\u672c 15<\/td>\n<td>&lt; 15.20<\/td>\n<td>15.20<\/td>\n<td><span class=\"badge-tag-green\">\u7acb\u5373\u5347\u7ea7<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u4e3b\u7248\u672c 14<\/td>\n<td>&lt; 14.25<\/td>\n<td>14.25<\/td>\n<td><span class=\"badge-tag-green\">\u7acb\u5373\u5347\u7ea7<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"doc-callout doc-callout-warning\">\n<div class=\"doc-callout-title\">\u26a0\ufe0f \u751f\u4ea7\u907f\u5751\u98ce\u9669<\/div>\n<p>\u4ec5\u5347\u7ea7\u6570\u636e\u5e93\u5185\u6838\u5e76\u4e0d\u7b49\u4e8e\u95ed\u73af\u3002\u82e5\u4e1a\u52a1\u4fa7\u4ecd\u4fdd\u7559\u201c\u666e\u901a\u8d26\u53f7\u6301\u6709 CREATE \u6743\u9650 + \u53ef\u81ea\u7531\u521b\u5efa schema\u201d\u7684\u6388\u6743\u6a21\u578b\uff0c\u672a\u6765\u540c\u7c7b\u641c\u7d22\u8def\u5f84\u7c7b\u7f3a\u9677\u4ecd\u53ef\u80fd\u88ab\u5229\u7528\u3002\u5347\u7ea7\u5fc5\u987b\u4e0e\u6743\u9650\u6536\u655b\u540c\u6b65\u63a8\u8fdb\u3002<\/p><\/div>\n<h2 class=\"doc-h2\">\u56db\u3001\u653b\u51fb\u94fe\u590d\u73b0\u4e0e\u9a8c\u8bc1\u601d\u8def\uff08\u6388\u6743\u73af\u5883\uff09<\/h2>\n<p class=\"doc-p\">\u5728\u9694\u79bb\u6d4b\u8bd5\u73af\u5883\u4e2d\uff0c\u5b89\u5168\u56e2\u961f\u53ef\u6309\u5982\u4e0b\u601d\u8def\u9a8c\u8bc1\u81ea\u8eab\u5b9e\u4f8b\u662f\u5426\u66b4\u9732\uff1a\u4ee5\u4f4e\u6743\u9650\u8d26\u53f7\u521b\u5efa\u540c\u540d schema \u6216\u4f7f\u7528 <code>$user<\/code> schema\uff0c\u968f\u540e\u89e6\u53d1\u53ef\u4fe1\u6269\u5c55\u5b89\u88c5\uff0c\u89c2\u5bdf\u811a\u672c\u5185\u5bf9\u8c61\u89e3\u6790\u662f\u5426\u547d\u4e2d\u653b\u51fb\u8005\u5bf9\u8c61\u3002\u4ee5\u4e0b\u4e3a\u9a8c\u8bc1\u6027 SQL \u7247\u6bb5\uff0c\u4ec5\u7528\u4e8e\u6388\u6743\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-title=\"cve-2026-6467-verify.sql\">-- \u4ec5\u9650\u6388\u6743\u9694\u79bb\u73af\u5883\u9a8c\u8bc1\n-- 1. \u4f4e\u6743\u9650\u8d26\u53f7\u521b\u5efa\u53ef\u63a7 schema\nCREATE SCHEMA attacker_schema AUTHORIZATION low_priv_user;\n\n-- 2. \u5236\u9020\u547d\u540d\u51b2\u7a81\u6216\u4f7f\u7528 $user \u6a21\u5f0f\u5b89\u88c5\u6269\u5c55\nCREATE EXTENSION IF NOT EXISTS pgcrypto SCHEMA \"$user\";\n\n-- 3. \u89c2\u5bdf\u6269\u5c55\u811a\u672c\u6267\u884c\u671f\u95f4\u7684\u5bf9\u8c61\u89e3\u6790\u4e0e\u6743\u9650\u4e0a\u4e0b\u6587\n-- \u82e5\u811a\u672c\u5185\u5f15\u7528\u547d\u4e2d attacker_schema \u4e0b\u540c\u540d\u5bf9\u8c61\uff0c\u5219\u5b58\u5728\u66b4\u9732\u9762\nSELECT current_user, current_schema(), current_setting('search_path');\n<\/pre>\n<div class=\"doc-callout doc-callout-info\">\n<div class=\"doc-callout-title\">\ud83d\udca1 \u67b6\u6784\u6838\u5fc3\u51b3\u7b56<\/div>\n<p>\u9a8c\u8bc1\u9636\u6bb5\u52a1\u5fc5\u5728\u5feb\u7167\u53ef\u56de\u6eda\u7684\u9694\u79bb\u5b9e\u4f8b\u8fdb\u884c\uff0c\u7981\u6b62\u5728\u751f\u4ea7\u4e3b\u5e93\u76f4\u63a5\u6267\u884c CREATE EXTENSION \u7c7b\u64cd\u4f5c\u3002\u9a8c\u8bc1\u5b8c\u6210\u540e\u7acb\u5373\u56de\u6eda\u5feb\u7167\uff0c\u907f\u514d\u6b8b\u7559 schema \u4e0e\u5bf9\u8c61\u6c61\u67d3\u540e\u7eed\u5ba1\u8ba1\u57fa\u7ebf\u3002<\/p><\/div>\n<h2 class=\"doc-h2\">\u4e94\u3001\u751f\u4ea7\u52a0\u56fa\u4e0e\u5347\u7ea7\u843d\u5730\u6e05\u5355<\/h2>\n<h3 class=\"doc-h3\">5.1 \u5185\u6838\u5347\u7ea7<\/h3>\n<p class=\"doc-p\">\u6309\u7248\u672c\u77e9\u9635\u5347\u7ea7\u81f3 18.7 \/ 17.12 \/ 16.16 \/ 15.20 \/ 14.25 \u53ca\u4ee5\u4e0a\u3002\u5347\u7ea7\u524d\u5b8c\u6210\u6269\u5c55\u517c\u5bb9\u6027\u68c0\u67e5\u4e0e\u903b\u8f91\u590d\u5236\u69fd\u72b6\u6001\u786e\u8ba4\uff0c\u5347\u7ea7\u540e\u590d\u6838 <code>pg_available_extensions<\/code> \u4e0e\u5df2\u5b89\u88c5\u6269\u5c55\u7248\u672c\u3002<\/p>\n<details class=\"doc-accordion\">\n<summary>\u70b9\u51fb\u5c55\u5f00\uff1a\u5347\u7ea7\u6267\u884c\u547d\u4ee4\u4e0e\u5907\u7528\u811a\u672c<\/summary>\n<div class=\"doc-accordion-content\">\n<pre><code class=\"language-bash\"># Debian\/Ubuntu \u7cfb\u793a\u4f8b\uff1a\u5347\u7ea7 PostgreSQL 16 \u81f3 16.16+\napt-get update\napt-get install -y postgresql-16=16.16-1.pgdg120+1\n\n# \u91cd\u542f\u5e76\u6821\u9a8c\u7248\u672c\npg_ctlcluster 16 main restart\npsql -c \"SELECT version();\"\n\n# \u6821\u9a8c\u5df2\u5b89\u88c5\u6269\u5c55\npsql -c \"SELECT extname, extversion FROM pg_extension;\"\n<\/code><\/pre>\n<\/div>\n<\/details>\n<h3 class=\"doc-h3\">5.2 \u6743\u9650\u6536\u655b<\/h3>\n<ul class=\"doc-list\">\n<li>\u64a4\u9500\u666e\u901a\u4e1a\u52a1\u8d26\u53f7\u7684 <code>CREATE<\/code> \u6743\u9650\uff0c\u6539\u4e3a\u6309 schema \u7cbe\u786e\u6388\u6743\u3002<\/li>\n<li>\u7981\u6b62\u4e1a\u52a1\u8d26\u53f7\u521b\u5efa schema\uff0cschema \u7531 DBA \u7edf\u4e00\u89c4\u5212\u4e0e\u547d\u540d\u3002<\/li>\n<li>\u5bf9\u53ef\u4fe1\u6269\u5c55\u5b89\u88c5\u5b9e\u65bd\u767d\u540d\u5355\uff0c\u4ec5\u5141\u8bb8 DBA \u5728\u53d7\u63a7 schema \u4e2d\u6267\u884c\u3002<\/li>\n<\/ul>\n<div class=\"baota-config-bar\"><span>REVOKE CREATE ON SCHEMA public FROM PUBLIC;<\/span><span class=\"lang-tag\">SQL<\/span><\/div>\n<div class=\"baota-config-bar\"><span>ALTER ROLE app_user SET search_path = app_schema, pg_catalog;<\/span><span class=\"lang-tag\">SQL<\/span><\/div>\n<h3 class=\"doc-h3\">5.3 \u8fd0\u884c\u65f6\u9632\u62a4<\/h3>\n<p class=\"doc-p\">\u5728\u5e94\u7528\u8fde\u63a5\u5c42\u5f3a\u5236\u8bbe\u7f6e <code>search_path<\/code>\uff0c\u907f\u514d\u4f9d\u8d56\u9ed8\u8ba4\u89e3\u6790\u987a\u5e8f\uff1b\u5bf9 <code>CREATE EXTENSION<\/code>\u3001<code>ALTER EXTENSION<\/code> \u8bed\u53e5\u5f00\u542f\u5ba1\u8ba1\u65e5\u5fd7\uff1b\u5728\u591a\u79df\u6237\u573a\u666f\u4e0b\u8003\u8651\u72ec\u7acb\u5b9e\u4f8b\u6216\u72ec\u7acb\u6570\u636e\u5e93\u9694\u79bb\uff0c\u907f\u514d\u5171\u4eab\u5b9e\u4f8b\u5185\u7684 schema \u547d\u540d\u7a7a\u95f4\u7ade\u4e89\u3002<\/p>\n<div class=\"doc-callout doc-callout-info\">\n<div class=\"doc-callout-title\">\ud83d\udca1 \u67b6\u6784\u6838\u5fc3\u51b3\u7b56<\/div>\n<p>\u628a\u201c\u6269\u5c55\u5b89\u88c5\u201d\u89c6\u4e3a\u4e00\u6b21\u7279\u6743\u53d8\u66f4\u64cd\u4f5c\uff0c\u7eb3\u5165\u53d8\u66f4\u5ba1\u6279\u4e0e\u5ba1\u8ba1\u94fe\u8def\uff0c\u800c\u4e0d\u662f\u5f53\u4f5c\u666e\u901a DDL\u3002\u8fd9\u662f\u9632\u6b62 PostgreSQL \u6269\u5c55\u8def\u5f84\u52ab\u6301\u7c7b\u7f3a\u9677\u88ab\u4e8c\u6b21\u5229\u7528\u7684\u67b6\u6784\u7ea7\u62a4\u680f\u3002<\/p><\/div>\n<h2 class=\"doc-h2\">\u516d\u3001\u67b6\u6784\u5e08\u89c6\u89d2\u7684\u957f\u671f\u542f\u793a<\/h2>\n<p class=\"doc-p\">CVE-2026-6467 \u518d\u6b21\u63d0\u9192\u6211\u4eec\uff1a\u6570\u636e\u5e93\u7684\u6743\u9650\u6a21\u578b\u4e0d\u662f\u9759\u6001\u7684\uff0c\u800c\u662f\u7531\u201c\u6743\u9650 + \u89e3\u6790\u4e0a\u4e0b\u6587 + \u6267\u884c\u65f6\u5e8f\u201d\u4e09\u8005\u5171\u540c\u51b3\u5b9a\u7684\u52a8\u6001\u8fb9\u754c\u3002\u641c\u7d22\u8def\u5f84\u7c7b\u6f0f\u6d1e\uff08search_path hijacking\uff09\u5728 PostgreSQL \u751f\u6001\u4e2d\u5e76\u975e\u9996\u6b21\u51fa\u73b0\uff0c\u5176\u53cd\u590d\u51fa\u73b0\u7684\u6839\u56e0\u662f<strong>\u5bf9\u8c61\u89e3\u6790\u7684\u53ef\u63a7\u6027\u4e0e\u6743\u9650\u63d0\u5347\u7684\u65f6\u5e8f\u8026\u5408<\/strong>\u3002\u5bf9\u4e8e\u67b6\u6784\u5e08\u800c\u8a00\uff0c\u9632\u5fa1\u7b56\u7565\u5e94\u5f53\u4ece\u201c\u6253\u8865\u4e01\u201d\u4e0a\u5347\u5230\u201c\u6743\u9650\u6700\u5c0f\u5316 + \u89e3\u6790\u786e\u5b9a\u6027 + \u7279\u6743\u64cd\u4f5c\u5ba1\u8ba1\u201d\u7684\u4e09\u5c42\u6a21\u578b\u3002<\/p>\n<p class=\"doc-p\">\u5728\u591a\u79df\u6237\u4e0e\u4e91\u539f\u751f\u6570\u636e\u5e93\u666e\u53ca\u7684\u4eca\u5929\uff0cPostgreSQL \u6269\u5c55\u8def\u5f84\u52ab\u6301\u7684\u6559\u8bad\u5177\u6709\u666e\u904d\u6027\uff1a\u4efb\u4f55\u201c\u4f4e\u6743\u9650\u5373\u53ef\u89e6\u53d1\u3001\u5185\u90e8\u5374\u4ee5\u9ad8\u6743\u9650\u6267\u884c\u201d\u7684\u673a\u5236\uff0c\u90fd\u5fc5\u987b\u5047\u8bbe\u8f93\u5165\u4fa7\u5b8c\u5168\u4e0d\u53ef\u4fe1\uff0c\u5e76\u5728\u6267\u884c\u524d\u56fa\u5b9a\u6240\u6709\u89e3\u6790\u4e0a\u4e0b\u6587\u3002<\/p>\n<div class=\"doc-callout doc-callout-related\">\n<div class=\"doc-callout-title\">\ud83d\udd17 \u5ef6\u4f38\u9605\u8bfb\u4e0e\u4e13\u680f\u63a8\u8350<\/div>\n<ul class=\"doc-internal-links\">\n<li><strong>\u6240\u5c5e\u4e13\u680f\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/category\/security\/\">\u6d4f\u89c8\u66f4\u591a\u3010\u5b89\u5168\u6f0f\u6d1e\u3011\u6280\u672f\u67b6\u6784\u4e0e\u5de5\u7a0b\u5b9e\u6218\u6587\u7ae0<\/a><\/li>\n<li><strong>\u63a8\u8350\u6df1\u5ea6\u9605\u8bfb\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-28282386e843e03973cec528daf1c383064669300d2fbae4bb25644618625391\/\">Ninja Forms \u4efb\u610f\u6587\u4ef6\u5220\u9664\u6f0f\u6d1e\u6df1\u5ea6\u590d\u76d8\uff1aCVE-2026-126537 \u672a\u6388\u6743\u5220\u9664 wp-config.php \u7684\u5b8c\u6574\u653b\u51fb\u94fe\u4e0e\u5e94\u6025\u52a0\u56fa<\/a><\/li>\n<li><strong>\u63a8\u8350\u6df1\u5ea6\u9605\u8bfb\uff1a<\/strong><a href=\"https:\/\/btc354.com\/index.php\/2026\/11\/12\/pulsemate-security-103ddb275cca18e13590746b8beb72a01a1fa2acde928e40be283fda4f702040\/\">V \u8bed\u8a00 TLS \u8bc1\u4e66\u6821\u9a8c\u7ed5\u8fc7\u6f0f\u6d1e\u6df1\u5ea6\u590d\u76d8\uff1anet.http \u9ed8\u8ba4 validate=false \u5f15\u53d1\u7684 CVSS 9.1 \u4e2d\u95f4\u4eba\u5371\u673a\u4e0e\u4fee\u590d\u5b9e\u6218<\/a><\/li>\n<li><strong>\u5168\u7ad9\u6280\u672f\u5f52\u6863\uff1a<\/strong><a href=\"https:\/\/btc354.com\/\">\u8fd4\u56de \u4e2a\u4eba\u5b66\u4e60\u7ad9\u70b9 \u9996\u9875\u63a2\u7d22\u66f4\u591a\u6280\u672f\u524d\u6cbf<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"doc-ref-box\">\n  <strong>\u539f\u6587\u51fa\u5904\u4e0e\u6743\u5a01\u6eaf\u6e90\u58f0\u660e\uff1a<\/strong><br \/>\n  \u672c\u6587\u6838\u5fc3\u6280\u672f\u80cc\u666f\u6e90\u81ea GitHub Security Advisory \u5b98\u65b9\u516c\u544a\uff1a<br \/>\n  <a href=\"https:\/\/github.com\/advisories\/GHSA-pm32-vprj-4hwf\" target=\"_blank\" rel=\"noopener noreferrer\">GHSA-pm32-vprj-4hwf (CVE-2026-6467 PostgreSQL CREATE EXTENSION \u641c\u7d22\u8def\u5f84\u63d0\u6743)<\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5ea6\u5256\u6790 CVE-2026-6467\uff1aPostgreSQL \u6269\u5c55\u8def\u5f84\u52ab\u6301\u9ad8\u5371\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u5229\u7528 CREATE EXTENSION \u641c\u7d22\u8def\u5f84\u7f3a\u9677\uff0c\u4ee5 CREATE \u6743\u9650\u63d0\u6743\u81f3 bootstrap 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