---
id: CVE-2026-108851
title: >-
  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
summary: >-
  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. Atta…
severity: low
cvss: 3.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-862
published: '2026-10-11'
updated: '2026-10-11'
sourceUpdated: '2026-10-11T14:17:04.777'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108851'
references:
  - url: 'https://github.com/thorsten/phpMyFAQ'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Search.php#L137-L194
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/thorsten/phpMyFAQ/blob/4.1.10/phpmyfaq/src/phpMyFAQ/Service/McpServer/FaqSearchToolExecutor.php#L56-L102
    label: disclosure@vulncheck.com
  - url: 'https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/phpmyfaq-mcp-search-visibility'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/phpmyfaq-through-4.1.10-missing-authorization-via-mcp-server-faq-search-tool
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-12T14:50:34.050Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.