CVE-2015-1856
OpenStack Object Storage (Swift) before 2.3.0, when allow_version is configured, allows remote authenticated users to delete the latest version of an object by leveraging listing access to the x-versions-location container.
Date published : 2015-04-17
http://www.securityfocus.com/bid/74182
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html