What’s Vulnerable › Vulnerabilities

CVE-2026-111893: phpMyFAQ 4.2.0-alpha before 4.2.0-beta Privilege Escalation via Group Category Restrictions API

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-17 · updated 2026-10-18
• Weakness: CWE-269

Description

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains a privilege escalation vulnerability in GroupController::saveCategoryRestrictions() that lets delegated administrators assign categories outside their own scope. Category-restricted administrators can POST to /admin/api/group/category-restrictions with out-of-scope or empty categoryIds to grant groups unrestricted category access.

Affected products

• thorsten phpMyFAQ: from 4.2.0-alpha before 4.2.0-beta — fixed in 4.2.0-beta

How to fix

Upgrade to a fixed version: thorsten phpMyFAQ 4.2.0-beta. Check the vendor advisory for mitigations.

References

• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-gv7w-78f6-mcmh
• https://www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha-before-4.2.0-beta-privilege-escalation-via-group-category-restrictions-api
• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-gv7w-78f6-mcmh

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