Skip to content
CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-111911

phpMyFAQ 4.0.0 before 4.1.9 Authentication Bypass via WebAuthn Credential Injection

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

thorsten phpMyFAQ

Default version status: unaffected

  • 4.0.0 to < 4.1.9affected
  • 4.1.9unaffected

References