A group deletion race condition in 2FAuth v5.5.0 causes data inconsistencies and orphaned accounts when a group is deleted while other operations are pending.
https://github.com/Bubka/2FAuth/security/advisories/GHSA-ph6w-q992-7qrx
https://github.com/Bubka/2FAuth/commit/b82a7eb604ddfe994fadce7db3a9e4a201c54a83