Auth bypass in Thorsten Phpmyfaq
CVE-2026-111905
phpMyFAQ 3.2.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an insecure direct object reference vulnerability in GET /admin/api/user/data/{userId}, which returns any user's full faquserdata row, including the live TOTP secret, without a SuperAdmin or protected-target check. Delegated administrators with user-management rights can read a SuperAdmin's TOTP secret and generate valid codes to bypass two-factor authentication.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/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-hp8j-w94m-j5c7 (vendor-advisory)
- www.vulncheck.com/advisories/phpmyfaq-3.2.0-before-4.1.9-and-4.2.0-alpha-before… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111905?
- CVE-2026-111905 is a medium-severity vulnerability in Thorsten Phpmyfaq, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.0/10. Published 2026-10-17.
- How severe is CVE-2026-111905?
- Medium severity. CVSS v3 base score is 6.0 out of 10.