Enforce MFA backup codes shown-once with rotation endpoint#118
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Add backup_codes_shown flag to user_mfa table. Backup codes are only returned on the initial setup request and marked as shown afterwards. Re-running setup will regenerate codes but not display them. Add a /mfa/rotate-backup-codes endpoint that requires current TOTP token to view new backup codes.
Senthil455
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Jun 17, 2026
Senthil455
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Adds shown-once enforcement for MFA backup codes and a rotation endpoint with TOTP re-authentication. The backup_codes_shown flag prevents codes from being returned more than once.
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Add backup_codes_shown column to user_mfa table so backup codes are only returned on the initial setup request. Add /mfa/rotate-backup-codes endpoint that requires current TOTP token to generate and display new backup codes.