CVE-2026-10090

The CVE concerns Red Hat ACM’s multicluster-operators-subscription: a namespace-scoped edit user in the ACM hub can create a Channel to a Helm repo they control and a Subscription referencing it. The app-subscription controller then fetches and applies the Helm chart with its own elevated authori...

CVE-2026-10090 Multicluster-operators-subscription: multicluster-operators-subscription: namespace edit user can deploy cluster-scoped clusterrolebinding and become cluster-admin via application subscription

A flaw was found in the Application Subscription controller multicluster-operators-subscription of Red Hat Advanced Cluster Management for Kubernetes ACM. A user with namespace-scoped "edit" privileges in an ACM hub namespace can create a Channel resource pointing to a Helm repository they contro...

CVE-2026-10090

A flaw was found in the Application Subscription controller multicluster-operators-subscription of Red Hat Advanced Cluster Management for Kubernetes ACM. A user with namespace-scoped "edit" privileges in an ACM hub namespace can create a Channel resource pointing to a Helm repository they contro...

EUVD-2026-48728

A flaw was found in the cluster-proxy service-proxy component used in Red Hat Advanced Cluster Management for Kubernetes RHACM and multicluster-engine MCE. The service-proxy appends impersonation group headers to proxied requests without first removing caller-supplied values, and the spoke...