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CVE-2026-17107 Cluster-proxy: cluster-proxy: impersonation header injection in service-proxy grants cluster-admin on every managed cluster

🗓️ 24 Jul 2026 18:56:05Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 61 Views

Impersonation header injection in cluster-proxy enables principals to escalate to cluster-admin on managed clusters.

Related
Affected
Refs
[
  {
    "vendor": "Red Hat",
    "product": "multicluster engine for Kubernetes 2.10",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "multicluster-engine/cluster-proxy-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1784342329",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:multicluster_engine:2.10::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "multicluster engine for Kubernetes 2.10",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "multicluster-engine/cluster-proxy-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1784342329",
        "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": "1784925025",
        "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": "1784926298",
        "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-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1783985960",
        "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-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1784342329",
        "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-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1783278220",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:multicluster_engine:2.9::el9"
    ]
  }
]

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