Open Source Kubectl MCP Server vulnerable to arbitrary code execution via user interaction with crafted HTML page

{
  "id": "89abddec27e6d699c4851ddf80e8e2f7999245d97bcb0a760d9e6a4fa592040b",
  "url": "https://osv.dev/vulnerability/GHSA-94gr-w3q5-rfqr",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Open Source Kubectl MCP Server vulnerable to arbitrary code execution via user interaction with crafted HTML page",
    "summary": "An issue in Open Source Kubectl MCP Server v1.1.1 allows attackers to execute arbitrary code on a victim system via user interaction with a crafted HTML page.",
    "evidence": "osv:GHSA-94gr-w3q5-rfqr",
    "products": [
      {
        "name": {
          "value": "kubectl-mcp-server",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.2.0",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kubectl-mcp-server",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.2.0",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "GHSA-94gr-w3q5-rfqr",
      "aliases": [
        "CVE-2025-65719",
        "GHSA-94gr-w3q5-rfqr",
        "PYSEC-2026-371"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.2.0"
                }
              ]
            }
          ],
          "package": {
            "name": "kubectl-mcp-server",
            "purl": "pkg:npm/kubectl-mcp-server",
            "ecosystem": "npm"
          },
          "database_specific": {
            "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-94gr-w3q5-rfqr/GHSA-94gr-w3q5-rfqr.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.2.0"
                }
              ]
            }
          ],
          "package": {
            "name": "kubectl-mcp-server",
            "purl": "pkg:pypi/kubectl-mcp-server",
            "ecosystem": "PyPI"
          },
          "database_specific": {
            "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-94gr-w3q5-rfqr/GHSA-94gr-w3q5-rfqr.json"
          }
        }
      ],
      "modified": "2026-10-27T17:45:03.922027934Z",
      "provider": "osv",
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2025-65719",
        "https://github.com/pypa/advisory-database/tree/main/vulns/kubectl-mcp-server/PYSEC-2026-371.yaml",
        "https://github.com/rohitg00/kubectl-mcp-server",
        "https://pypi.org/project/kubectl-mcp-server",
        "https://www.ox.security/blog/cve-2025-65719-critical-rce-in-kubectl-mcp-server",
        "https://www.ox.security/blog/kubectl-mcp-server-remote-code-execution"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-94"
        ],
        "severity": "CRITICAL",
        "github_reviewed": true,
        "nvd_published_at": "2026-05-12T17:16:15Z",
        "github_reviewed_at": "2026-06-18T20:09:14Z"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-65719",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 463046,
  "published_at": "2026-05-12T18:30:38+00:00"
}