CVE-2026-108851 PUBLISHED

phpMyFAQ through 4.1.10 Missing Authorization via MCP Server faq_search Tool

Assigner: VulnCheck
Reserved: 11.10.2026 Published: 11.10.2026 Updated: 11.10.2026

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 Vector: 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
CVSS Score: 4.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 3.3

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	thorsten
Product	phpMyFAQ
Versions	Default: unaffected affected from 4.1.0 to 4.1.10 (incl.)

CVE-2026-108851 PUBLISHED

phpMyFAQ through 4.1.10 Missing Authorization via MCP Server faq_search Tool

Metrics

Product Status

Credits

References

Problem Types