CVE-2026-73269

{"id": "CVE-2026-73269", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73269", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-12T20:47:02.826289Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}]}, "affected": [{"source": "secalert@redhat.com", "affectedData": [{"cpes": ["cpe:/a:redhat:multicluster_engine:2.10::el9"], "vendor": "Red Hat", "product": "multicluster engine for Kubernetes 2.1", "versions": [{"status": "unaffected", "version": "1787201612", "lessThan": "*", "versionType": "rpm"}], "packageName": "multicluster-engine/cluster-curator-controller-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:multicluster_engine:2.11::el9"], "vendor": "Red Hat", "product": "multicluster engine for Kubernetes 2.11", "versions": [{"status": "unaffected", "version": "1787238383", "lessThan": "*", "versionType": "rpm"}], "packageName": "multicluster-engine/cluster-curator-controller-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:multicluster_engine:2.17::el9"], "vendor": "Red Hat", "product": "multicluster engine for Kubernetes 2.17", "versions": [{"status": "unaffected", "version": "1786750700", "lessThan": "*", "versionType": "rpm"}], "packageName": "multicluster-engine/cluster-curator-controller-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:multicluster_engine:2.6::el9"], "vendor": "Red Hat", "product": "multicluster engine for Kubernetes 2.6", "versions": [{"status": "unaffected", "version": "1787264185", "lessThan": "*", "versionType": "rpm"}], "packageName": "multicluster-engine/cluster-curator-controller-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:multicluster_engine:2.8::el9"], "vendor": "Red Hat", "product": "multicluster engine for Kubernetes 2.8", "versions": [{"status": "unaffected", "version": "1787259011", "lessThan": "*", "versionType": "rpm"}], "packageName": "multicluster-engine/cluster-curator-controller-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:multicluster_engine:2.9::el9"], "vendor": "Red Hat", "product": "multicluster engine for Kubernetes 2.9", "versions": [{"status": "unaffected", "version": "1787201646", "lessThan": "*", "versionType": "rpm"}], "packageName": "multicluster-engine/cluster-curator-controller-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}]}], "published": "2026-08-12T20:17:53.793", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:59556", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:59557", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:59558", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:59559", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:59579", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:59593", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-73269", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514220", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the cluster-curator-controller component. A local user, by creating a ClusterCurator resource with a specific naming convention, can trigger the creation of a cluster-scoped ClusterRoleBinding. This allows the user to escalate their privileges from namespace-local access to cluster-wide control. This privilege escalation grants broad permissions, including the ability to access and manipulate secrets, manage cluster actions, and delete hosted clusters or node pools."}], "lastModified": "2026-09-08T13:17:22.420", "sourceIdentifier": "secalert@redhat.com"}