RCE in Flux159 Mcp-server-kubernetes
CVE-2025-53355
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 pa…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.001 (35.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Flux159 Mcp-server-kubernetes — versions < 2.5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-gjv4-ghm7-q58q (x_refsource_CONFIRM)
- https://github.com/Flux159/mcp-server-kubernetes/commit/ab165f5a0eea917fef5dbae954506fff6f4bf514 (x_refsource_MISC)
- https://github.com/cyanheads/git-mcp-server/commit/0dbd6995ccdf76ab770b58013034365b2d06c4d9 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-53355?
- CVE-2025-53355 is a high-severity vulnerability in Flux159 Mcp-server-kubernetes, classified under Command Injection. CVSS score: 7.5/10. Published 2025-07-08.
- How severe is CVE-2025-53355?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-53355 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.