CVE-2026-108851phpMyFAQ through 4.1.10 Missing Authorization via MCP Server faq_search Tool
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 13, 2026
- First seen by InfoSec Signals
- Oct 11, 2026
Affected products
thorsten phpMyFAQ thorsten:phpmyfaq (from the name) | from 4.1.0 through 4.1.10 | CNA record |
References
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/phpmyfaq-mcp-search-visibilitythird-party-advisory
- https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Search.php#L137-L194technical-description
- https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Service/McpServer/FaqSearchToolExecutor.php#L56-L102technical-description
- https://github.com/thorsten/phpMyFAQproduct
- https://www.vulncheck.com/advisories/phpmyfaq-through-4.1.10-missing-authorization-via-mcp-server-faq-search-toolthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.