CVE-2025-59377
mcp-kubernetes-server has an OS Command Injection vulnerability
Description
`feiskyer/mcp-kubernetes-server` through **0.1.11** allows **OS command injection** via the `/mcp/kubectl` endpoint. The handler constructs a shell command with user-supplied arguments and executes it with `subprocess` using `shell=True`, enabling injection through shell metacharacters (e.g., `;`, `&&`, `$()`), even when the server is running in **read-only** mode. A remote, unauthenticated attacker can execute arbitrary OS commands on the host, resulting in full compromise of confidentiality, integrity, and availability. This issue is **distinct from** `mcp-server-kubernetes` and from **CVE-2025-53355**.
How to fix CVE-2025-59377
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- —no fix listed
Is CVE-2025-59377 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, <= 0.1.11
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |