{"id":"CVE-2026-108851","summary":"phpMyFAQ through 4.1.10 Missing Authorization via MCP Server faq_search Tool","details":"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.","modified":"2026-10-16T02:47:28.095059025Z","published":"2026-10-11T13:26:01.436Z","database_specific":{"cwe_ids":["CWE-862"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108851.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108851.json"},{"type":"ADVISORY","url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/phpmyfaq-mcp-search-visibility"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108851"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/phpmyfaq-through-4.1.10-missing-authorization-via-mcp-server-faq-search-tool"},{"type":"PACKAGE","url":"https://github.com/thorsten/phpMyFAQ"},{"type":"ARTICLE","url":"https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Search.php#L137-L194"},{"type":"ARTICLE","url":"https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Service/McpServer/FaqSearchToolExecutor.php#L56-L102"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/thorsten/phpmyfaq","events":[{"introduced":"104a42f33cdcb85c3be9b30cd50e3bce3d51ada3"},{"fixed":"69e5faaeab4971061b9377ea150ade58d34750ec"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"4.1.0"},{"last_affected":"4.1.10"},{"introduced":"0"},{"fixed":"4.1.10"}]}}],"versions":["4.1.9","4.1.8","4.1.7","4.1.6","4.1.4","4.1.3","4.1.2","4.1.1","4.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108851.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}