OpenShift is susceptible to Cross-Site Request Forgery (CSRF) attacks. It has a flaw in management console( openshift console/app/controllers/application_controller.rb), allowing the attacker to steal the authenticated user session.
osvdb.org/88333
rhn.redhat.com/errata/RHSA-2012-1555.html
access.redhat.com/errata/RHSA-2012:1555
access.redhat.com/security/cve/CVE-2012-5622
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=883227
github.com/openshift/origin-server/commit/1ad0d1d792395306b59a34ad7b6e7e89a35d041e
github.com/openshift/origin-server/pull/1009
rhn.redhat.com/errata/RHSA-2012-1555.html