CVE-2026-73122: Red Hat Advanced Cluster Management For Kubernetes 2.11

High severity, CVSS 7.7. EPSS: 0.5% chance of exploitation in the next 30 days.

A flaw was found in the multicloud-operators-channel component of Red Hat Advanced Cluster Management (RHACM). This vulnerability allows a compromised agent from a managed cluster to gain unauthorized access to sensitive information. Specifically, the agent can read all Secrets and ConfigMaps within any Channel namespace on the hub, potentially exposing credentials for other tenants' Git and Helm repositories. This could lead to significant information disclosure.

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 2026-08-27.