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CVE-2026-66794 Cluster-proxy-addon: cluster-proxy-addon: unauthenticated ssrf to arbitrary managed-cluster services via public route

🗓️ 19 Aug 2026 17:30:07Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 62 Views

Unauthenticated SSRF in cluster-proxy-addon allows bypassing auth to access arbitrary managed-cluster services.

Related
Affected
Refs
[
  {
    "vendor": "Red Hat",
    "product": "multicluster engine for Kubernetes 2.1",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "multicluster-engine/cluster-proxy-addon-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1787173361",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:multicluster_engine:2.10::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "multicluster engine for Kubernetes 2.11",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "multicluster-engine/cluster-proxy-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1787276784",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:multicluster_engine:2.11::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "multicluster engine for Kubernetes 2.17",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "multicluster-engine/cluster-proxy-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1786983349",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:multicluster_engine:2.17::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "multicluster engine for Kubernetes 2.6",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "multicluster-engine/cluster-proxy-addon-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1787275318",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:multicluster_engine:2.6::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "multicluster engine for Kubernetes 2.8",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "multicluster-engine/cluster-proxy-addon-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1787275519",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:multicluster_engine:2.8::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "multicluster engine for Kubernetes 2.9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "multicluster-engine/cluster-proxy-addon-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1787274923",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:multicluster_engine:2.9::el9"
    ]
  }
]

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