In a nutshell: Red Hat Enterprise Linux Advanced Cluster Management contains multiple vulnerabilities that enable security bypasses and denial-of-service conditions.
Multiple security gaps in Red Hat Enterprise Linux Advanced Cluster Management allow attackers to bypass security measures and trigger denial-of-service attacks. The vulnerabilities have been rated as elevated risk by the BSI.
Multiple vulnerabilities have been identified in Red Hat Enterprise Linux Advanced Cluster Management that enable attackers to bypass security measures and cause denial-of-service conditions. The gaps are classified by the BSI as elevated risk (category “high”).
For CISOs, this means prioritization in risk assessment for cluster management infrastructures. Advanced Cluster Management is typically used for central orchestration and governance of multiple Kubernetes or OpenStack clusters. Security bypasses at this level jeopardize administrative controls over the entire container infrastructure.
Affected environments should promptly check patch information from the BSI (WID-SEC-2025-0226) and deploy security updates from Red Hat. In parallel, it should be verified whether the component has direct or indirect network access from untrusted parties.
Source: wid.cert-bund.de · Published 17 July 2026
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