GHSA-MC5J-F6WX-H9QH Filament: Multi-factor authentication (app) recovery codes can still be used multiple times via concurrent submission

A flaw in the handling of recovery codes for app-based multi-factor authentication allows the same recovery code to be reused via concurrent submission. This issue does not affect email-based MFA. It also only applies when recovery codes are enabled. If an attacker gains access to both the user's...