MCP Server Exposure via Insecure Default Binding on alibabacloud-rds-openapi-mcp-server

{
  "id": "f1cf27ca18f70cbc44aead094ee31902a53af4a7f582de611726341e02408ee8",
  "url": "https://osv.dev/vulnerability/CVE-2026-9680",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "MCP Server Exposure via Insecure Default Binding on alibabacloud-rds-openapi-mcp-server",
    "summary": "Improper exposure of the MCP server in alibabacloud-rds-openapi-mcp-server allows remote attackers to invoke exposed MCP tools via network access to an MCP endpoint listening on all network interfaces by default.",
    "evidence": "osv:CVE-2026-9680",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-9680",
      "aliases": [
        "CVE-2026-9680"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/aliyun/alibabacloud-rds-openapi-mcp-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "cd4352c24f90641b3baba155e30dd32e7ce61339"
                },
                {
                  "last_affected": "b7c554b44323c1fc3d81bd32accc2c852493cd6f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.8.0"
                      },
                      {
                        "last_affected": "3.1.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.1.2",
            "v3.1.1",
            "v3.1.0",
            "v3.0.9",
            "v3.0.8",
            "v3.0.7",
            "v3.0.6",
            "v3.0.5",
            "v3.0.4",
            "v3.0.3",
            "v3.0.0",
            "v2.0.5",
            "v2.0.4",
            "v2.0.3",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0",
            "v1.8.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-9680.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.295836493Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9680.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-9680",
        "https://github.com/aliyun/alibabacloud-rds-openapi-mcp-server"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1188"
        ],
        "cna_assigner": "alibaba",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9680.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-9680",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499597,
  "published_at": "2026-07-28T09:05:30.652+00:00"
}