HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. Fixed in 1.6.3.

A vulnerability was identified in Consul and Consul Enterprise ("Consul") such that using URL paths in L7 traffic intentions could bypass HTTP request path-based access rules.

A vulnerability was identified in Consul and Consul Enterprise ("Consul") such that using Headers in L7 traffic intentions could bypass HTTP header based access rules.

A vulnerability was identified in Consul and Consul Enterprise such that the server response did not explicitly set a Content-Type HTTP header, allowing user-provided inputs to be misinterpreted and lead to reflected XSS.