An access flaw was found in Heketi 5, where the heketi.json configuration file was world readable. An attacker having local access to the Heketi server could read plain-text passwords from the heketi.json file.
https://github.com/heketi/heketi/releases/tag/v5.0.1
https://bugzilla.redhat.com/show_bug.cgi?id=1510149