A arbitrary code execution flaw was found in the Fabric 8 Kubernetes client affecting versions 5.0.0-beta-1 and above. Due to an improperly configured YAML parsing, this will allow a local and privileged attacker to supply malicious YAML.
https://access.redhat.com/security/cve/CVE-2021-4178
https://bugzilla.redhat.com/show_bug.cgi?id=2034388