GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-9680 (GCVE-0-2026-9680)

Vulnerability from cvelistv5 – Published: 2026-07-28 09:05 – Updated: 2026-07-28 16:08
VLAI
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.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 16:07 UTC
CWE
  • CWE-1188 - Initialization of a resource with an insecure default
Impacted products
Vendor Product Version CPE status
Alibaba Alibaba Cloud RDS OpenAPI MCP Server Affected: 1.8.0 , ≤ 3.1.2 (custom)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9680",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-28T16:07:57.564922Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-28T16:08:06.668Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Alibaba Cloud RDS OpenAPI MCP Server",
          "vendor": "Alibaba",
          "versions": [
            {
              "lessThanOrEqual": "3.1.2",
              "status": "affected",
              "version": "1.8.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eImproper 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.\u003c/p\u003e"
            }
          ],
          "value": "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."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-1",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1188",
              "description": "CWE-1188 Initialization of a resource with an insecure default",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-28T09:05:30.652Z",
        "orgId": "0cc2b86d-1d45-434d-ae74-11d09ec61ae8",
        "shortName": "alibaba"
      },
      "references": [
        {
          "url": "https://github.com/aliyun/alibabacloud-rds-openapi-mcp-server"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "MCP Server Exposure via Insecure Default Binding on alibabacloud-rds-openapi-mcp-server",
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "0cc2b86d-1d45-434d-ae74-11d09ec61ae8",
    "assignerShortName": "alibaba",
    "cveId": "CVE-2026-9680",
    "datePublished": "2026-07-28T09:05:30.652Z",
    "dateReserved": "2026-05-27T09:18:25.851Z",
    "dateUpdated": "2026-07-28T16:08:06.668Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-9680",
      "date": "2026-09-16",
      "epss": "0.0024",
      "percentile": "0.15336"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-9680\",\"sourceIdentifier\":\"alibaba-cna@list.alibaba-inc.com\",\"published\":\"2026-07-28T09:16:42.830\",\"lastModified\":\"2026-07-28T20:35:20.590\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"}],\"affected\":[{\"source\":\"alibaba-cna@list.alibaba-inc.com\",\"affectedData\":[{\"vendor\":\"Alibaba\",\"product\":\"Alibaba Cloud RDS OpenAPI MCP Server\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"1.8.0\",\"lessThanOrEqual\":\"3.1.2\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"alibaba-cna@list.alibaba-inc.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N\",\"baseScore\":5.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-07-28T16:07:57.564922Z\",\"id\":\"CVE-2026-9680\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"alibaba-cna@list.alibaba-inc.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1188\"}]}],\"references\":[{\"url\":\"https://github.com/aliyun/alibabacloud-rds-openapi-mcp-server\",\"source\":\"alibaba-cna@list.alibaba-inc.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-9680\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-28T16:07:57.564922Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-28T16:08:03.672Z\"}}], \"cna\": {\"title\": \"MCP Server Exposure via Insecure Default Binding on alibabacloud-rds-openapi-mcp-server\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-1\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 5.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Alibaba\", \"product\": \"Alibaba Cloud RDS OpenAPI MCP Server\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.8.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"3.1.2\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://github.com/aliyun/alibabacloud-rds-openapi-mcp-server\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.4\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eImproper 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.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1188\", \"description\": \"CWE-1188 Initialization of a resource with an insecure default\"}]}], \"providerMetadata\": {\"orgId\": \"0cc2b86d-1d45-434d-ae74-11d09ec61ae8\", \"shortName\": \"alibaba\", \"dateUpdated\": \"2026-07-28T09:05:30.652Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-9680\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-28T16:08:06.668Z\", \"dateReserved\": \"2026-05-27T09:18:25.851Z\", \"assignerOrgId\": \"0cc2b86d-1d45-434d-ae74-11d09ec61ae8\", \"datePublished\": \"2026-07-28T09:05:30.652Z\", \"assignerShortName\": \"alibaba\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…