low3.3
CVE-2026-108851
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 becaus…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| PhpMyFAQ | through 4.1.10 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/thorsten/phpMyFAQ
- 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://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/phpmyfaq-mcp-search-visibility
- https://www.vulncheck.com/advisories/phpmyfaq-through-4.1.10-missing-authorization-via-mcp-server-faq-search-tool