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Red Hat Open Cluster Management (OCM) Cross-Cluster Privilege Escalation via Forged Certificates (CVE-2026-4740)

CVE-2026-4740 describes a vulnerability in Red Hat Open Cluster Management (OCM) where improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge certificates, enabling cross-cluster privilege escalation.

kubernetes privilege-escalation cve-2026-4740 ocm acm
2r 1t 1c 1i