CVE-2026-76214 phpMyFAQ before 4.1.7 WebAuthn Replay Attack via Challenge

phpMyFAQ before 4.1.7 fails to persist the WebAuthn login challenge generated by prepareForLogin, because neither WebAuthn controller saves the mutated key objects back to the database. At login the anti-replay comparison is skipped by its own null guard, allowing an attacker who captures a...