CVE-2026-108851
phpMyFAQ through 4.1.10 Missing Authorization via MCP Server faq_search Tool
thorsten phpMyFAQ
CVSS
4.8MediumExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 13 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.10%Chance of exploitation activity in the next 30 days, higher than 0% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- phpMyFAQaffected: 4.1.0 through 4.1.10CVE List
References 5
- vulncheck.com/advisories/phpmyfaq-through-4.1.10-missing-authorization-via-mcp-server-faq-search-toolAdvisoryvia CVE List
- hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/phpmyfaq-mcp-search-visibilityExploitvia CVE List
- github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Search.php#L137-L194Referencevia CVE List
- github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Service/McpServer/FaqSearchToolExecutor.php#L56-L102Referencevia CVE List
- github.com/thorsten/phpMyFAQReferencevia CVE List