Privilege Escalation Vulnerability in Multicloud Operators Subscription by Red Hat
CVE-2026-66792
9.9CRITICAL
Key Information:
What is CVE-2026-66792?
A security flaw exists in the multicloud-operators-subscription component, which permits users on managed clusters to escalate their privileges by creating a Subscription with specifically crafted annotations. This exploitation allows an attacker to deploy resources into any namespace using the elevated permissions of the controller's Service Account, potentially resulting in unauthorized access and increased control over cluster resources.
Affected Version(s)
Multicluster Global Hub 1.4.9 1788355439
Multicluster Global Hub 1.4.9 1788355599
Multicluster Global Hub 1.4.9 1788355417