Vulnerability Description
MCP Server Kubernetes is an MCP Server that can connect to a Kubernetes cluster and manage it. Prior to 2.9.8, there is a security issue exists in the exec_in_pod tool of the mcp-server-kubernetes MCP Server. The tool accepts user-provided commands in both array and string formats. When a string format is provided, it is passed directly to shell interpretation (sh -c) without input validation, allowing shell metacharacters to be interpreted. This vulnerability can be exploited through direct command injection or indirect prompt injection attacks, where AI agents may execute commands without explicit user intent. This vulnerability is fixed in 2.9.8.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Suyogs | Mcp-Server-Kubernetes | < 2.9.8 |
Related Weaknesses (CWE)
References
- https://github.com/Flux159/mcp-server-kubernetes/commit/d091107ff92d9ffad1b3c295Patch
- https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-wvxp-jExploitVendor Advisory
- https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-wvxp-jExploitVendor Advisory
FAQ
What is CVE-2025-66404?
CVE-2025-66404 is a vulnerability with a CVSS score of 6.4 (MEDIUM). MCP Server Kubernetes is an MCP Server that can connect to a Kubernetes cluster and manage it. Prior to 2.9.8, there is a security issue exists in the exec_in_pod tool of the mcp-server-kubernetes MCP...
How severe is CVE-2025-66404?
CVE-2025-66404 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-66404?
Check the references section above for vendor advisories and patch information. Affected products include: Suyogs Mcp-Server-Kubernetes.