OpenStack Identity (Keystone) 2014.1.x before 2014.1.2.1 and Juno before Juno-3 does not properly revoke tokens when a domain is invalidated, which allows remote authenticated users to retain access via a domain-scoped token for that domain.
https://bugs.launchpad.net/keystone/+bug/1349597
http://www.ubuntu.com/usn/USN-2324-1
http://www.openwall.com/lists/oss-security/2014/08/15/6