HashiCorp Nomad and Nomad Enterprise 0.7.0 up to 1.5.6 and 1.4.10 ACL policies using a block without a label generates unexpected results. Fixed in 1.6.0, 1.5.7, and 1.4.11.
A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.