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.
History

Thu, 27 Aug 2026 04:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:acm:2.11::el9
cpe:/a:redhat:acm:2.14::el9
cpe:/a:redhat:acm:2.16::el9
References

Wed, 26 Aug 2026 22:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:acm:2.13::el9
cpe:/a:redhat:acm:2.15::el9
cpe:/a:redhat:acm:2.17::el9
References

Fri, 21 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat advanced Cluster Management For Kubernetes
Redhat openshift Container Platform
Vendors & Products Redhat advanced Cluster Management For Kubernetes
Redhat openshift Container Platform

Tue, 18 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 18 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Mon, 17 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
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.
Title Multicloud-operators-subscription: multicloud-operators-subscription: isclusteradmin() trusts user-settable annotations on managed clusters
First Time appeared Redhat
Redhat acm
Redhat multicluster Globalhub
Redhat openshift
Redhat openshift Data Foundation
Weaknesses CWE-863
CPEs cpe:/a:redhat:acm:2
cpe:/a:redhat:multicluster_globalhub
cpe:/a:redhat:openshift:4
cpe:/a:redhat:openshift_data_foundation:4
Vendors & Products Redhat
Redhat acm
Redhat multicluster Globalhub
Redhat openshift
Redhat openshift Data Foundation
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2026-08-17T18:12:36.136Z

Updated: 2026-09-05T14:23:36.248Z

Reserved: 2026-07-27T17:51:24.886Z

Link: CVE-2026-66792

cve-icon Vulnrichment

Updated: 2026-08-18T14:53:48.260Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-08-17T19:16:34.237

Modified: 2026-08-27T04:16:45.790

Link: CVE-2026-66792

cve-icon Redhat

Severity : Important

Publid Date: 2026-08-17T17:25:00Z

Links: CVE-2026-66792 - Bugzilla