Is CVE-2026-111911 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-111911?

CVE-2026-111911 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-111911

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.