CVE-2026-78424— OS Command Injection in Packet-Capture (Sniffer) Filter leading to Remote Code Execution on Kubernetes Nodes
Quick assessment
Affected
SUSE NeuVector
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
NeuVector 中的参数处理不当问题，允许任何持有命名空间级别运行时策略（写）权限的已认证用户，或任何能够访问 NeuVector 内部 gRPC 证书密钥对的人员，在特权 enforcer 容器中注入操作系统命令，从而导致工作节点（worker node）被完全控制。该漏洞影响 NeuVector 5.4.11 之前的 5.4 版本、5.5.4 之前的 5.5 版本、5.6.2 之前的 5.6 版本，以及可能受影响的更早版本。
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I. Basic Information for CVE-2026-78424
Vulnerability Information
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Vulnerability Title
OS Command Injection in Packet-Capture (Sniffer) Filter leading to Remote Code Execution on Kubernetes Nodes
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-78424
| # | POC Description | Source Link | Shenlong Link |
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Other References for CVE-2026-78424 (1)
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V. Comments for CVE-2026-78424
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