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.

CVSS 4.0

8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-25)

CWE

CWE-287

Published

2026-10-17

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

References

• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-43g3-pp5p-fg96
• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-8fvf-747v-qjr6
• https://www.vulncheck.com/advisories/phpmyfaq-3.2.0-alpha-before-4.1.9-and-4.2.0-alpha-before-4.2.0-beta-totp-2fa-bypass-via-sso-callbacks

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