CVE-2026-66794 Cluster-proxy-addon: cluster-proxy-addon: unauthenticated ssrf to arbitrary managed-cluster services via public route

A flaw was found in the cluster-proxy-addon component of Multicluster Engine for Kubernetes. This vulnerability allows an unauthenticated attacker, who can access the user-facing route, to bypass authentication and authorization checks. By manipulating URL path segments, the attacker can proxy...

CVE-2026-66792

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a user on a managed cluster to escalate their privileges by creating a Subscription with specific, crafted annotations. Successful exploitation grants the attacker the ability to deploy resources into a...

CVE-2026-66792

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a user on a managed cluster to escalate their privileges by creating a Subscription with specific, crafted annotations. Successful exploitation grants the attacker the ability to deploy resources into a...

EUVD-2026-57685

A flaw was found in the search-v2-operator component. A user with specific administrative permissions on a managed cluster can exploit a vulnerability that allows them to inject arbitrary configuration data. This manipulation can override critical settings, leading to the replacement of container...

CVE-2026-71473

A flaw was found in the search-v2-operator component. A user with specific administrative permissions on a managed cluster can exploit a vulnerability that allows them to inject arbitrary configuration data. This manipulation can override critical settings, leading to the replacement of container...

CVE-2026-71473

The CVE-2026-71473 affects the search-v2-operator component in the ACM search-v2-operator workflow (Acm-search-v2-rhel9). Evidence from CVE records tied to CVELIST indicates a flaw where a user with specific administrative permissions on a managed cluster can inject arbitrary configuration data v...

CVE-2026-71473 Acm-search-v2-rhel9: search-v2-operator: addonfactory.getvaluesfromaddonannotation enables arbitrary helm-values override per spoke

A flaw was found in the search-v2-operator component. A user with specific administrative permissions on a managed cluster can exploit a vulnerability that allows them to inject arbitrary configuration data. This manipulation can override critical settings, leading to the replacement of container...

CVE-2026-71473 Acm-search-v2-rhel9: search-v2-operator: addonfactory.getvaluesfromaddonannotation enables arbitrary helm-values override per spoke

A flaw was found in the search-v2-operator component. A user with specific administrative permissions on a managed cluster can exploit a vulnerability that allows them to inject arbitrary configuration data. This manipulation can override critical settings, leading to the replacement of container...

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...

CVE-2026-73122

A flaw was found in the multicloud-operators-channel component of Red Hat Advanced Cluster Management RHACM. This vulnerability allows a compromised agent from a managed cluster to gain unauthorized access to sensitive information. Specifically, the agent can read all Secrets and ConfigMaps withi...

CVE-2026-73122

The CVE-2026-73122 vulnerability affects the multicloud-operators-channel component in Red Hat Advanced Cluster Management (RHACM). A compromised agent from a managed cluster can read Secrets and ConfigMaps in any Channel namespace on the hub, exposing credentials for other tenants’ Git and Helm ...

CVE-2026-73122 Multicloud-operators-channel: multicloud-operators-channel: auto-generated role grants every managed-cluster agent secrets:get,list,watch in channel namespaces

A flaw was found in the multicloud-operators-channel component of Red Hat Advanced Cluster Management RHACM. This vulnerability allows a compromised agent from a managed cluster to gain unauthorized access to sensitive information. Specifically, the agent can read all Secrets and ConfigMaps withi...

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...