CVE-2026-64927: Red Hat Advanced Cluster Management For Kubernetes 2.11

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A flaw was found in the multicloud-operators-channel component. This vulnerability allows a user with specific permissions to manipulate how the system handles sensitive information, known as Secrets, across different parts of the system (namespaces). By exploiting this, an attacker can modify these Secrets in unauthorized areas. This could lead to unauthorized access to information or elevated privileges within the system.

Affected products

• Red Hat Red Hat Advanced Cluster Management For Kubernetes 2.11: before 1787260663 (fixed in 1787260663)
• Red Hat Red Hat Advanced Cluster Management For Kubernetes 2.13: before 1787259310 (fixed in 1787259310)
• Red Hat Red Hat Advanced Cluster Management For Kubernetes 2.14: before 1787172840 (fixed in 1787172840)
• Red Hat Red Hat Advanced Cluster Management For Kubernetes 2.15: before 1787238600 (fixed in 1787238600)
• Red Hat Red Hat Advanced Cluster Management For Kubernetes 2.16: before 1787242105 (fixed in 1787242105)
• Red Hat Red Hat Advanced Cluster Management For Kubernetes 2.17: before 1787242099 (fixed in 1787242099)

Published 2026-08-12. Last modified 2026-09-05.