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

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:

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

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

Link: CVE-2026-66792

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-66792

cve-icon Redhat

Severity : Important

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

Links: CVE-2026-66792 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-17T19:30:17Z