{"id":"CVE-2026-108851","revision":"b3b702e8d9f64315bc23ef0fd8b79a80","records":[{"revision":"b3b702e8d9f64315bc23ef0fd8b79a80","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-108851","aliases":[],"title":"phpMyFAQ through 4.1.10 Missing Authorization via MCP Server faq_search Tool","description":"phpMyFAQ through 4.1.10 contains a missing authorization vulnerability in the MCP server faq_search tool that allows MCP clients to read restricted FAQs because Search::searchDatabase() never applies user or group permission checks. Attackers connected to the phpmyfaq:mcp:server can issue search queries to retrieve the full question and answer text of active FAQs restricted to specific users or groups.","state":0,"publishedAt":"2026-10-11T13:26:01.436+00:00","modifiedAt":"2026-10-13T13:39:25.428+00:00","affected":[{"ecosystem":"Vendor product","name":"phpMyFAQ","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"thorsten\",\n                    \"product\": \"phpMyFAQ\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"4.1.0\",\n                            \"lessThanOrEqual\": \"4.1.10\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:composer/thorsten/phpmyfaq\",\n                    \"repo\": \"https://github.com/thorsten/phpMyFAQ\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":4.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":3.3,"severity":"LOW"}],"references":["https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/phpmyfaq-mcp-search-visibility","https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Search.php#L137-L194","https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Service/McpServer/FaqSearchToolExecutor.php#L56-L102","https://github.com/thorsten/phpMyFAQ","https://www.vulncheck.com/advisories/phpmyfaq-through-4.1.10-missing-authorization-via-mcp-server-faq-search-tool"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108851","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-108851","identifiers":["CVE-2026-108851"]},"retained":false,"historicalAffected":[]}],"coverage":[]}