Threats Tagged 'cve-2026-10090'
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Threats Tagged 'cve-2026-10090'
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CVE-2026-10090: Privilege Defined With Unsafe Actions in Red Hat Red Hat Advanced Cluster Management for Kubernetes 2CVE-2026-10090 0 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 control and a Subscription resource referencing it. The app-subscription controller fetches and applies the Helm chart contents with its own elevated authority, without verifying whether the subscription creator holds the "open-cluster-management:subscription-admin" role and without restricting applied resources to the subscription namespace. This allows the attacker to include cluster-scoped resources in the Helm chart, such as a ClusterRoleBinding granting the attacker's ServiceAccount the "cluster-admin" ClusterRole. Successful exploitation results in full cluster-admin privilege escalation. This contradicts the ACM documentation which states that non-subscription-admin users should have resources deployed into the subscription namespace only. Join the discussion | CVE Database V5 | 08/05/2026, 08:54:55 UTC Added: 08/05/2026, 12:51:00 UTC |
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