NeuVector 5.4-5.6 Improper Parameter Handling Enables OS Command Injection
CVE-2026-78424 Published on September 28, 2026
OS Command Injection in Packet-Capture (Sniffer) Filter leading to Remote Code Execution on Kubernetes Nodes
Improper parameter handling in NeuVector allows any authenticated user who holds the namespaced Runtime Policies (write) permission or anyone with access to NeuVectors 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.
Vulnerability Analysis
CVE-2026-78424 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2026-78424 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2026-78424
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Affected Versions
SUSE NeuVector:- Before 5.4.11 is affected.
- Version 5.5.0 and below 5.5.4 is affected.
- Version 5.6.0 and below 5.6.2 is affected.