{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-108851", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-11T12:57:34.538Z", "datePublished": "2026-10-11T13:26:01.436Z", "dateUpdated": "2026-10-11T13:26:01.436Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-11T13:26:01.436Z" }, "datePublic": "2026-10-11T00:00:00.000Z", "title": "phpMyFAQ through 4.1.10 Missing Authorization via MCP Server faq_search Tool", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Missing Authorization", "cweId": "CWE-862", "type": "CWE" } ] } ], "affected": [ { "vendor": "thorsten", "product": "phpMyFAQ", "defaultStatus": "unaffected", "versions": [ { "version": "4.1.0", "lessThanOrEqual": "4.1.10", "status": "affected", "versionType": "semver" } ], "packageURL": "pkg:composer/thorsten/phpmyfaq", "repo": "https://github.com/thorsten/phpMyFAQ" } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1.0", "versionEndIncluding": "4.1.10" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW" } } ], "references": [ { "url": "https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/phpmyfaq-mcp-search-visibility", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Search.php#L137-L194", "tags": [ "technical-description" ] }, { "url": "https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Service/McpServer/FaqSearchToolExecutor.php#L56-L102", "tags": [ "technical-description" ] }, { "url": "https://github.com/thorsten/phpMyFAQ", "tags": [ "product" ] }, { "name": "VulnCheck Advisory: phpMyFAQ through 4.1.10 Missing Authorization via MCP Server faq_search Tool", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/phpmyfaq-through-4.1.10-missing-authorization-via-mcp-server-faq-search-tool" } ], "credits": [ { "lang": "en", "value": "hieuPenguinnn", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } } } }