CVE-2026-111911
CRITICAL
NVD
CVSS Score
9.8
Severity
CRITICAL
Published
Oct 17, 2026
Vendor
unknown
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.