ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-66404

MCP Server Kubernetes is an MCP Server that can connect to a Kubernetes cluster and manage it.

Published Dec 3, 2025 · catalog updated Dec 3, 2025 · Flux159

Last checked Oct 28, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66404. EPSS is 1.48%. Act only if a listed version of Flux159 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.48%
Remediation
Version ranges on file
Affected products
vendor Flux159 mcp-server-kubernetes < 2.9.8

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 ex

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Flux159 mcp-server-kubernetes < 2.9.8< 2.9.8

How to fix CVE-2025-66404

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66404. EPSS is 1.48%. Act only if a listed version of Flux159 is installed.

Which versions are affected?

Compare what you have installed with Flux159 mcp-server-kubernetes < 2.9.8 < 2.9.8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.48%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Kubernetes security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 3, 2025 · EUVD

    Detected

    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, all

  2. Dec 3, 2025 · EUVD

    Updated

    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, all

Sources

  • CVE.orgVulnerability recordCVE-2025-66404

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66404

    30-day exploitation probability 1.48%

    first.org
  • EUVDVulnerability recordEUVD-2025-201109

    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 format

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 28, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 28, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 27, 2026