Vulnerability · Published Oct 17, 2026 · Assigned by VulnCheck

CVE-2026-111882phpMyFAQ 3.2.0-alpha before 4.1.9 and 4.2.0-alpha before 4.2.0-beta TOTP 2FA Bypass via SSO Callbacks

High 8.1

In plain English

A high-severity improper authentication in phpMyFAQ from thorsten. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.4%top 67.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
thorsten	phpMyFAQ	3.2.0-alpha – before 4.1.9
thorsten	phpMyFAQ	4.2.0-alpha – before 4.2.0-beta

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References

GitHub Security Advisory (GHSA-43g3-pp5p-fg96) vendor-advisory
GitHub Security Advisory (GHSA-8fvf-747v-qjr6) vendor-advisory
VulnCheck Advisory: 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 third-party-advisory