CVE-2026-4740
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Affected software |
KUBERNETES |
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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 enables cross-cluster privilege escalation and may allow an attacker to gain control over other managed clusters, including the hub cluster. |
Link: |
| https://nvd.nist.gov/vuln/detail/CVE-2026-4740 |
