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    4 vulnerabilities found for mcp-gateway by docker

    CVE-2026-55887 (GCVE-0-2026-55887)

    Vulnerability from nvd – Published: 2026-09-15 15:45 – Updated: 2026-09-15 18:02
    VLAI
    Title
    MCP Gateway: Argument injection via OCI image label YAML in Docker MCP Gateway
    Summary
    MCP Gateway allows easy and secure running and deployment of MCP servers. From 0.21.0 until 0.42.2, Docker MCP Gateway YAML-unmarshalled the attacker-controlled io.docker.server.metadata OCI image label into the broad catalog.Server structure for direct docker:// references and catalog snapshot imports in pkg/oci/self_contained.go and pkg/workingset/workingset.go. Runtime-shaping fields including Volumes, User, and ExtraHosts were then appended to the docker run argument vector without an origin allowlist, allowing a malicious image author to request host filesystem or Docker socket mounts and UID 0 execution when a victim selected or pulled the image. This container-creation-time boundary bypass can execute arbitrary code on the host and is not prevented by no-new-privileges because no in-container privilege escalation is required. This issue is fixed in version 0.42.2.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-15 17:45 UTC
    CWE
    • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7712 records in the last 180 days details
    Impacted products
    Vendor Product Version
    docker mcp-gateway Affected: >= 0.21.0, < 0.42.2
    Create a notification for this product.
    Show details on NVD website

    {
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            },
            "title": "CISA ADP Vulnrichment"
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        ],
        "cna": {
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            {
              "product": "mcp-gateway",
              "vendor": "docker",
              "versions": [
                {
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                }
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            }
          ],
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            {
              "lang": "en",
              "value": "MCP Gateway allows easy and secure running and deployment of MCP servers. From 0.21.0 until 0.42.2, Docker MCP Gateway YAML-unmarshalled the attacker-controlled io.docker.server.metadata OCI image label into the broad catalog.Server structure for direct docker:// references and catalog snapshot imports in pkg/oci/self_contained.go and pkg/workingset/workingset.go. Runtime-shaping fields including Volumes, User, and ExtraHosts were then appended to the docker run argument vector without an origin allowlist, allowing a malicious image author to request host filesystem or Docker socket mounts and UID 0 execution when a victim selected or pulled the image. This container-creation-time boundary bypass can execute arbitrary code on the host and is not prevented by no-new-privileges because no in-container privilege escalation is required. This issue is fixed in version 0.42.2."
            }
          ],
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                  "type": "CWE"
                }
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          ],
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            {
              "name": "https://github.com/docker/mcp-gateway/commit/439b2200d9e26a4ff414aeb043785df45a78422b",
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              "url": "https://github.com/docker/mcp-gateway/commit/439b2200d9e26a4ff414aeb043785df45a78422b"
            },
            {
              "name": "https://github.com/docker/mcp-gateway/releases/tag/v0.42.2",
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              ],
              "url": "https://github.com/docker/mcp-gateway/releases/tag/v0.42.2"
            }
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          "source": {
            "advisory": "GHSA-r2xf-7jw5-pjg6",
            "discovery": "UNKNOWN"
          },
          "title": "MCP Gateway: Argument injection via OCI image label YAML in Docker MCP Gateway"
        }
      },
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    CVE-2025-64443 (GCVE-0-2025-64443)

    Vulnerability from nvd – Published: 2025-12-03 17:41 – Updated: 2025-12-03 18:14
    VLAI
    Title
    DNS Rebinding vulnerability present when running MCP Gateway in sse or streaming mode
    Summary
    MCP Gateway allows easy and secure running and deployment of MCP servers. In versions 0.27.0 and earlier, when MCP Gateway runs in sse or streaming transport mode, it is vulnerable to DNS rebinding. An attacker who can get a victim to visit a malicious website or be served a malicious advertisement can perform browser-based exploitation of MCP servers executing behind the gateway, including manipulating tools or other features exposed by those MCP servers. MCP Gateway is not affected when running in the default stdio mode, which does not listen on network ports. Version 0.28.0 fixes this issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-12-03 18:12 UTC
    CWE
    • CWE-749 - Exposed Dangerous Method or Function
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7712 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    docker mcp-gateway Affected: < 0.28.0
    Create a notification for this product.
    Show details on NVD website

    {
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              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
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        ],
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            }
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                "baseSeverity": "HIGH",
                "privilegesRequired": "NONE",
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              ],
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            },
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              "name": "https://github.com/docker/mcp-gateway/commit/6b076b2479d8d1345c50c112119c62978d46858e",
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    CVE-2026-55887 (GCVE-0-2026-55887)

    Vulnerability from cvelistv5 – Published: 2026-09-15 15:45 – Updated: 2026-09-15 18:02
    VLAI
    Title
    MCP Gateway: Argument injection via OCI image label YAML in Docker MCP Gateway
    Summary
    MCP Gateway allows easy and secure running and deployment of MCP servers. From 0.21.0 until 0.42.2, Docker MCP Gateway YAML-unmarshalled the attacker-controlled io.docker.server.metadata OCI image label into the broad catalog.Server structure for direct docker:// references and catalog snapshot imports in pkg/oci/self_contained.go and pkg/workingset/workingset.go. Runtime-shaping fields including Volumes, User, and ExtraHosts were then appended to the docker run argument vector without an origin allowlist, allowing a malicious image author to request host filesystem or Docker socket mounts and UID 0 execution when a victim selected or pulled the image. This container-creation-time boundary bypass can execute arbitrary code on the host and is not prevented by no-new-privileges because no in-container privilege escalation is required. This issue is fixed in version 0.42.2.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-15 17:45 UTC
    CWE
    • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7712 records in the last 180 days details
    Impacted products
    Vendor Product Version
    docker mcp-gateway Affected: >= 0.21.0, < 0.42.2
    Create a notification for this product.
    Show details on NVD website

    {
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          {
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                    "id": "CVE-2026-55887",
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                      },
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                      }
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                    "timestamp": "2026-09-15T17:45:43.530044Z",
                    "version": "2.0.3"
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              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "mcp-gateway",
              "vendor": "docker",
              "versions": [
                {
                  "status": "affected",
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                }
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          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "MCP Gateway allows easy and secure running and deployment of MCP servers. From 0.21.0 until 0.42.2, Docker MCP Gateway YAML-unmarshalled the attacker-controlled io.docker.server.metadata OCI image label into the broad catalog.Server structure for direct docker:// references and catalog snapshot imports in pkg/oci/self_contained.go and pkg/workingset/workingset.go. Runtime-shaping fields including Volumes, User, and ExtraHosts were then appended to the docker run argument vector without an origin allowlist, allowing a malicious image author to request host filesystem or Docker socket mounts and UID 0 execution when a victim selected or pulled the image. This container-creation-time boundary bypass can execute arbitrary code on the host and is not prevented by no-new-privileges because no in-container privilege escalation is required. This issue is fixed in version 0.42.2."
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          ],
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            },
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              "name": "https://github.com/docker/mcp-gateway/commit/439b2200d9e26a4ff414aeb043785df45a78422b",
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              ],
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            "discovery": "UNKNOWN"
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          "title": "MCP Gateway: Argument injection via OCI image label YAML in Docker MCP Gateway"
        }
      },
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    CVE-2025-64443 (GCVE-0-2025-64443)

    Vulnerability from cvelistv5 – Published: 2025-12-03 17:41 – Updated: 2025-12-03 18:14
    VLAI
    Title
    DNS Rebinding vulnerability present when running MCP Gateway in sse or streaming mode
    Summary
    MCP Gateway allows easy and secure running and deployment of MCP servers. In versions 0.27.0 and earlier, when MCP Gateway runs in sse or streaming transport mode, it is vulnerable to DNS rebinding. An attacker who can get a victim to visit a malicious website or be served a malicious advertisement can perform browser-based exploitation of MCP servers executing behind the gateway, including manipulating tools or other features exposed by those MCP servers. MCP Gateway is not affected when running in the default stdio mode, which does not listen on network ports. Version 0.28.0 fixes this issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-12-03 18:12 UTC
    CWE
    • CWE-749 - Exposed Dangerous Method or Function
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7712 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    docker mcp-gateway Affected: < 0.28.0
    Create a notification for this product.
    Show details on NVD website

    {
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                  "content": {
                    "id": "CVE-2025-64443",
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                      },
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                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
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                    "timestamp": "2025-12-03T18:12:16.672750Z",
                    "version": "2.0.3"
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              "dateUpdated": "2025-12-03T18:14:24.648Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "mcp-gateway",
              "vendor": "docker",
              "versions": [
                {
                  "status": "affected",
                  "version": "\u003c 0.28.0"
                }
              ]
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          ],
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            {
              "lang": "en",
              "value": "MCP Gateway allows easy and secure running and deployment of MCP servers. In versions 0.27.0 and earlier, when MCP Gateway runs in sse or streaming transport mode, it is vulnerable to DNS rebinding. An attacker who can get a victim to visit a malicious website or be served a malicious advertisement can perform browser-based exploitation of MCP servers executing behind the gateway, including manipulating tools or other features exposed by those MCP servers. MCP Gateway is not affected when running in the default stdio mode, which does not listen on network ports. Version 0.28.0 fixes this issue."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "attackComplexity": "LOW",
                "attackRequirements": "PRESENT",
                "attackVector": "NETWORK",
                "baseScore": 7.3,
                "baseSeverity": "HIGH",
                "privilegesRequired": "NONE",
                "subAvailabilityImpact": "HIGH",
                "subConfidentialityImpact": "HIGH",
                "subIntegrityImpact": "HIGH",
                "userInteraction": "PASSIVE",
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              "tags": [
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            "discovery": "UNKNOWN"
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        "dateReserved": "2025-11-03T22:12:51.366Z",
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