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CVE-2026-4740

Open Cluster Management

Beschreibung

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.

CVSS 8.2EPSS 0.11199999999999999%Risiko 0.83
Quelle öffnen
Veröffentlicht
2026-04-07 15:17:46
Betroffene Versionen
unknown
Typ
Sonstiges
Zuletzt geändert
2026-08-11 18:17:34
Vektor
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H