CVE-2026-73267
CVE-2026-73267: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.7
High [CVE-2026-73267] ManagedCluster deletion keyed solely on ClusterClaim.Spec.Namespace with no ownership check
CVE-2026-73267Source published Source updated
A flaw was found in the clusterclaims-controller component of multicluster engine (MCE). A tenant with standard permissions to create and delete ClusterClaim resources can exploit this by manipulating the `spec.namespace` field. This allows the tenant to specify and delete any ManagedCluster, including the hub's local-cluster or other tenants' clusters, due to a missing ownership check. This vulnerability can lead to a denial of service by enabling unauthorized deletion of ManagedClusters. This is an Important flaw in Multicluster Engine for Kubernetes. Red Hat severity: Important — CVSS 7.7 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H). Weakness: CWE-602. Affected Red Hat products: multicluster engine for Kubernetes 2.1; multicluster engine for Kubernetes 2.11; multicluster engine for…
- Affected products in this advisory
- multicluster engine for Kubernetes 2.11
- multicluster engine for Kubernetes 2.17
- multicluster engine for Kubernetes 2.6
- multicluster engine for Kubernetes 2.8
1 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- multicluster-engine/clusterclaims-controller-rhel9:1787196014
- multicluster-engine/clusterclaims-controller-rhel9:1787239442
- multicluster-engine/clusterclaims-controller-rhel9:1786577950
- multicluster-engine/clusterclaims-controller-rhel9:1787259112
8 more entries in the full advisory.
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Android app · Google Play
Monitor future Red Hat CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.