CVE-2026-72526

A flaw was found in the multicloud-integrations component. The Application propagation controller processes the ocm-managed-cluster annotation from an Application Custom Resource CR without proper validation. A tenant with permissions to create Applications on the hub cluster can exploit this to...

EUVD-2026-57057

A flaw was found in the multicloud-integrations component. The Application propagation controller processes the ocm-managed-cluster annotation from an Application Custom Resource CR without proper validation. A tenant with permissions to create Applications on the hub cluster can exploit this to...

CVE-2026-72526 Multicloud-integrations: multicloud-integrations: pull-model propagation allows hub tenant to target arbitrary spoke cluster via unvalidated ocm-managed-cluster annotation

A flaw was found in the multicloud-integrations component. The Application propagation controller processes the ocm-managed-cluster annotation from an Application Custom Resource CR without proper validation. A tenant with permissions to create Applications on the hub cluster can exploit this to...

PT-2026-71360

Name of the Vulnerable Software and Affected Versions search-v2-operator affected versions not specified Description A flaw in the search-v2-operator component allows a user with specific administrative permissions on a managed cluster to inject arbitrary configuration data. This is possible...

CVE-2026-71577

CVE-2026-71577 affects multicluster-global-hub. During a ManagedClusterMigration, the system grants all managed hubs read access to a shared communication topic, enabling a compromised hub to intercept bootstrap kubeconfigs containing API server tokens intended for other hubs. These tokens have a...

GHSA-Q4GV-PJMH-C735 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...

GHSA-PVXJ-25M6-7VQR Rancher Privilege escalation vulnerability via malicious "Connection" header

A vulnerability was discovered in Rancher 2.0.0 through the aforementioned patched versions, where a malicious Rancher user could craft an API request directed at the proxy for the Kubernetes API of a managed cluster to gain access to information they do not have access to. This is done by passin...

Kubernetes Grey Zone: Risks in Managed Cluster Middleware

Are your managed Kubernetes clusters safe from the risks posed by middleware components? Learn how to secure your clusters and mitigate middleware risks...

CVE-2020-25655

An issue was discovered in ManagedClusterView API, that could allow secrets to be disclosed to users without the correct permissions. Views created for an admin user would be made available for a short time to users with only view permission. In this short time window the user with view permissio...