In Argent RecoveryManager before 0xdc350d09f71c48c5D22fBE2741e4d6A03970E192, the executeRecovery function does not require any signatures in the zero-guardian case, which allows attackers to cause a denial of service (locking) or a takeover.Referenceshttps://blog.openzeppelin.com/argent-vulnerability-report/
