CVE-2026-66792

high Red Hat
CVSS v3 Base Score
9.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: August 17, 2026 (20 days ago)
Last Modified: August 17, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a user on a managed cluster to escalate their privileges by creating a Subscription with specific, crafted annotations. Successful exploitation grants the attacker the ability to deploy resources into any namespace with the elevated permissions of the controller's Service Account, potentially leading to unauthorized access and control over cluster resources.

CWE

CWE-863

Affected Products

Multicluster Global HubRed Hat Advanced Cluster Management for Kubernetes 2Red Hat OpenShift Container Platform 4Red Hat Openshift Data Foundation 4

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov