Auth bypass in Thorsten Phpmyfaq
CVE-2026-111882
phpMyFAQ 3.2.0-alpha before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an authentication bypass vulnerability that allows IdP-authenticated users to skip TOTP two-factor authentication through the Keycloak and Entra ID SSO callbacks. Attackers holding a valid or phished IdP identity linked to a 2FA-enabled account can complete the OIDC flow and obtain a fully authenticated session, including administrator accounts.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
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-43g3-pp5p-fg96 (vendor-advisory)
- github.com/thorsten/phpMyFAQ/security/advisories/GHSA-8fvf-747v-qjr6 (vendor-advisory)
- www.vulncheck.com/advisories/phpmyfaq-3.2.0-alpha-before-4.1.9-and-4.2.0-alpha-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111882?
- CVE-2026-111882 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-10-17.
- How severe is CVE-2026-111882?
- High severity. CVSS v3 base score is 8.1 out of 10.