{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:google:mcp_toolbox_for_databases:1.3.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:google:mcp_toolbox_for_databases:1.4.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "1.3.0"
              },
              {
                "last_affected": "1.3.0"
              },
              {
                "introduced": "v1.4.0"
              },
              {
                "last_affected": "v1.4.0"
              },
              {
                "introduced": "1.4.0"
              },
              {
                "last_affected": "1.4.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_STRING"
            ]
          },
          "events": [
            {
              "introduced": "b0010060a939455d91e4f8ba62dc3e72b1892469"
            },
            {
              "last_affected": "d67cfbe8ddca5a50c9577ea11feaf5c94d0acace"
            }
          ],
          "repo": "https://github.com/googleapis/mcp-toolbox",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.3.0",
        "1.4.0",
        "v1.4.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Google",
    "cwe_ids": [
      "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14537.json"
  },
  "details": "Incorrect Authorization in the direct HTTP API tool invocation endpoint in Google mcp-toolbox versions v1.3.0 and v1.4.0 allows an unauthenticated attacker to invoke tools protected by the scopeRequired feature via sending tool invocation requests through legacy HTTP endpoints when the --enable-api flag is active.",
  "id": "CVE-2026-14537",
  "modified": "2026-08-12T03:51:12.424173097Z",
  "published": "2026-07-31T01:38:18.978Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14537.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-14537"
    },
    {
      "type": "FIX",
      "url": "https://github.com/googleapis/mcp-toolbox/pull/3435"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Authorization Bypass in MCP Toolbox Legacy HTTP Endpoints"
}