Multiple potential vulnerabilities were found in openstack-magnum.
* Permissions for /etc/sysconfig/heat-params inside Magnum created instances were 0755
* The cluster's Keystone trust id was passed into instances for clusters where it was not needed.
* Clusters that need trust_id to be passed into instances to work could be created.
Upstream patch:
https://git.openstack.org/cgit/openstack/magnum/commit/?id=0bb0d6486d6771ee21bbf897a091b1aa59e01b22