HashiCorp Consul 1.4.0 through 1.5.0 has Incorrect Access Control. Keys not matching a specific ACL rule used for prefix matching in a policy can be deleted by a token using that policy even with default deny settings configured.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "consul", "binary_version": "1.5.2+dfsg2-14" }, { "binary_name": "consul-dbgsym", "binary_version": "1.5.2+dfsg2-14" }, { "binary_name": "golang-github-hashicorp-consul-dev", "binary_version": "1.5.2+dfsg2-14" } ] }