Lemur: JWT verifier honors attacker-supplied alg, enabling ATO

Lemur 1.9.0: JWT verifier trusts attacker-supplied alg from token header — defense-in-depth gap; chain-dependent ATO with secret disclosure Vulnerability Summary Field | Value-- | --Title | Lemur 1.9.0: JWT verifier trusts attacker-supplied alg from token header — defense-in-depth gap;...