GO-2026-5564 Open Cluster Management (OCM): Cross-cluster privilege escalation via improper Kubernetes client certificate renewal validation in open-cluster-management.io/ocm

Open Cluster Management OCM: Cross-cluster privilege escalation via improper Kubernetes client certificate renewal validation in open-cluster-management.io/ocm...

EUVD-2026-19690

A flaw was found in Open Cluster Management OCM, the technology underlying Red Hat Advanced Cluster Management ACM. Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client certificate that can be approved by the OCM controller. This...

Open Cluster Management (OCM): Cross-cluster privilege escalation via improper Kubernetes client certificate renewal validation

A flaw was found in Open Cluster Management OCM, the technology underlying Red Hat Advanced Cluster Management ACM. Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client certificate that can be approved by the OCM controller. This...

CVE-2026-4740

A flaw was found in Open Cluster Management OCM, the technology underlying Red Hat Advanced Cluster Management ACM. Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client certificate that can be approved by the OCM controller. This...

CVE-2026-4740

A flaw was found in Open Cluster Management OCM, the technology underlying Red Hat Advanced Cluster Management ACM. Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client certificate that can be approved by the OCM controller. This...

CVE-2026-4740 Rhacm: open cluster management (ocm): cross-cluster privilege escalation via improper kubernetes client certificate renewal validation

A flaw was found in Open Cluster Management OCM, the technology underlying Red Hat Advanced Cluster Management ACM. Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client certificate that can be approved by the OCM controller. This...

CVE-2026-4740

CVE-2026-4740 affects Open Cluster Management (OCM), the tech behind Red Hat ACM. The issue is improper validation of Kubernetes client certificate renewal, which can let a managed-cluster admin forge a client certificate accepted by the OCM controller. This enables cross-cluster privilege escala...

CVE-2026-4740

A flaw was found in Open Cluster Management OCM, the technology underlying Red Hat Advanced Cluster Management ACM. Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client certificate that can be approved by the OCM controller. This...

PT-2026-30871

Name of the Vulnerable Software and Affected Versions Open Cluster Management OCM affected versions not specified Description A flaw exists due to improper validation of Kubernetes client certificate renewal. This allows a managed cluster administrator to forge a client certificate that can be...

Improper Ownership Management

Overview github.com/rancher/rancher/pkg/apis/management.cattle.io/v3 is a complete container management platform Affected versions of this package are vulnerable to Improper Ownership Management for projects, whose namespace defaults to being the project name, regardless of cluster. A user with...