CVE 6.4 MEDIUM

mcp-server-kubernetes potential security issue in exec_in_pod tool_CVE-2025-66404

6.4 / 10
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

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.

Basic Information

ID CVE-2025-66404
Source GitHub_M
Published Dec 3, 2025 at 20:40
Modified Dec 3, 2025 at 20:54

Affected Product

Vendor Flux159
Product mcp-server-kubernetes
Version < 2.9.8
Affected Versions Flux159 mcp-server-kubernetes < 2.9.8

CWE Classification

References

💭 Join the Security Discussion

🔒 Your email address will not be published. Required fields are marked *

⚠️ Please be respectful and constructive in your comments. Security discussions should remain professional.