CVE-2026-78424 OS Command Injection in Packet-Capture (Sniffer) Filter leading to Remote Code Execution on Kubernetes Nodes
Authenticated users can inject OS commands into privileged containers, leading to remote code execution and full compromise of Kubernetes worker nodes.
- 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-2026-78424?
CVE-2026-78424 is a high-severity command injection vulnerability in SUSE NeuVector, published on 28 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper parameter handling in NeuVector allows any authenticated user who holds the namespaced Runtime Policies (write) permission or anyone with access to NeuVector’s internal gRPC certificate key pair the ability to inject OS commands in the privileged enforcer container, which can lead to the complete compromise of the worker node. This affects NeuVector 5.4 before 5.4.11, NeuVector 5.5 before 5.5.4, NeuVector 5.6 before 5.6.2 and potentially older versions.
Weakness: CWE-78
Which versions are affected by CVE-2026-78424?
How do I fix CVE-2026-78424?
No fix has been published for CVE-2026-78424 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-2026-78424 being exploited?
There is no known exploitation of CVE-2026-78424 in the wild and no public exploit code.
Sources
Also known as GHSA-vr77-8vmq-qfmj.