Red Hat Security Advisory 2016-1973-01 – Red Hat Ceph Storage is a scalable, open, software-defined storage platform that combines the most stable version of the Ceph storage system with a Ceph management platform, deployment utilities, and support services. Security Fix: A flaw was found in Ceph RGW code which allows an anonymous user to list contents of RGW bucket by bypassing ACL which should only allow authenticated users to list contents of bucket.