{
  "published": "2025-12-03T11:38:45Z",
  "modified": "2026-01-07T00:00:00Z",
  "schema_version": "1.7.5",
  "id": "CGA-c85v-9x4v-23vg",
  "severity": [
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
    }
  ],
  "upstream": [
    "CVE-2025-66416",
    "GHSA-9h52-p55h-vw2f"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66416.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/modelcontextprotocol/python-sdk/security/advisories/GHSA-9h52-p55h-vw2f"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-66416"
    },
    {
      "type": "FIX",
      "url": "https://github.com/modelcontextprotocol/python-sdk/commit/d3a184119e4479ea6a63590bc41f01dc06e3fa99"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Chainguard",
        "name": "semgrep",
        "purl": "pkg:apk/chainguard/semgrep?arch=x86_64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.145.0-r0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "mcp",
            "component_version": "1.16.0",
            "component_type": "python",
            "component_location": "/usr/lib/python3.13/site-packages/mcp-1.16.0.dist-info/METADATA",
            "component_purl": "pkg:pypi/mcp@1.16.0",
            "latest_event_status": "fixed",
            "latest_event_timestamp": "2025-12-08T22:07:51Z"
          }
        ]
      }
    },
    {
      "package": {
        "ecosystem": "Wolfi",
        "name": "semgrep",
        "purl": "pkg:apk/wolfi/semgrep?arch=x86_64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.145.0-r0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "mcp",
            "component_version": "1.16.0",
            "component_type": "python",
            "component_location": "/usr/lib/python3.13/site-packages/mcp-1.16.0.dist-info/METADATA",
            "component_purl": "pkg:pypi/mcp@1.16.0",
            "latest_event_status": "fixed",
            "latest_event_timestamp": "2025-12-08T22:07:51Z"
          }
        ]
      }
    }
  ]
}