CVE-2026-71567 User-controlled variables inserted unescaped into shell scripts and Kubernetes manifests
Attackers can execute arbitrary commands via unescaped variables in shell scripts and Kubernetes manifests within OpenShift Metal3 fakefish.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-71567?
CVE-2026-71567 is a high-severity command injection vulnerability in openshift-metal3 fakefish, published on 17 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In openshift-metal3/fakefish there is a repeated pattern in some of the scripts where shell variables are injected without quoting them either into command lines or into manifests. This mostly applies to the Image URL and BMC credentials (which are not verified by FakeFish).
Weakness: CWE-78
Which versions are affected by CVE-2026-71567?
How do I fix CVE-2026-71567?
No fix has been published for CVE-2026-71567 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-71567 being exploited?
There is no known exploitation of CVE-2026-71567 in the wild and no public exploit code.
Sources
Also known as GHSA-xfhv-fp7q-v2cc.