Vulnerability · Published Jul 8, 2025 · Assigned by GitHub_M

CVE-2025-53355mcp-server-kubernetes vulnerable to command injection in several tools

High 7.5

In plain English

A high-severity command injection in mcp-server-kubernetes from Flux159. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)2.2%top 17.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

MCP Server Kubernetes is an MCP Server that can connect to a Kubernetes cluster and manage it. A command injection vulnerability exists in the mcp-server-kubernetes MCP Server. The vulnerability is caused by the unsanitized use of input parameters within a call to child_process.execSync, enabling an attacker to inject arbitrary system commands. Successful exploitation can lead to remote code execution under the server process's privileges. This vulnerability is fixed in 2.5.0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmmcp-server-kubernetes2.5.0GHSA-gjv4-ghm7-q58q

Affected products (as reported)

VendorProductVersions
Flux159 mcp-server-kubernetes < 2.5.0

Weakness: CWE-77 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References