Auth bypass in Thorsten Phpmyfaq
CVE-2026-111908
phpMyFAQ 4.0.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains a broken object-level authorization vulnerability in the PUT /api/v3.1/faq/update endpoint, which checks only the global edit_faq permission and does not verify access to the target FAQ. Authenticated users with edit_faq permission can supply the ID of a restricted FAQ they cannot view to modify its content, bypass moderation, and change its publication state.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/thorsten/phpMyFAQ/security/advisories/GHSA-j3px-r7cr-r26r (vendor-advisory)
- www.vulncheck.com/advisories/phpmyfaq-4.0.0-before-4.1.9-and-4.2.0-alpha-before… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111908?
- CVE-2026-111908 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.3/10. Published 2026-10-17.
- How severe is CVE-2026-111908?
- High severity. CVSS v3 base score is 8.3 out of 10.