CVE-2026-111911
thorsten phpMyFAQ
Published 17 Oct 2026 · updated 17 Oct 2026 · Deferred
9.3 Critical · CVSS 4.0, vulncheck.com
Description
phpMyFAQ 4.0.0 before 4.1.9 contains an authentication bypass vulnerability where WebAuthn registration endpoints attach credentials to any account without authentication or challenge validation. Attackers can stage a victim username, submit a forged fmt=none attestation to register a passkey, then log in bypassing passwords and TOTP for account takeover.