9.9
Critical
CVE-2026-66792 A flaw was found in the multicloud-operators-subscription component
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Multicluster Global Hub | Versions not published | |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Versions not published | |
| Red Hat OpenShift Container Platform 4 | Versions not published | |
| Red Hat Openshift Data Foundation 4 | Versions not published | |
| Red Hat Advanced Cluster Management for Kubernetes 2.11 1787263584 | earliest → < 1787263584 | 1787263584 |
| Red Hat Advanced Cluster Management for Kubernetes 2.13 1787263693 | earliest → < 1787263693 | 1787263693 |
| Red Hat Advanced Cluster Management for Kubernetes 2.14 1787170830 | earliest → < 1787170830 | 1787170830 |
| Red Hat Advanced Cluster Management for Kubernetes 2.15 1787240030 | earliest → < 1787240030 | 1787240030 |
| Red Hat Advanced Cluster Management for Kubernetes 2.16 1787242321 | earliest → < 1787242321 | 1787242321 |
Show the 4 other branches Hide the 4 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Advanced Cluster Management for Kubernetes 2.17 1787242108 | earliest → < 1787242108 | 1787242108 |
| Multicluster Global Hub 1.4.9 1788355417 | earliest → < 1788355417 | 1788355417 |
| Multicluster Global Hub 1.5.8 1789478830 | earliest → < 1789478830 | 1789478830 |
| Multicluster Global Hub 1.6.6 1790085268 | earliest → < 1790085268 | 1790085268 |
References
- RHSA-2026:60386 access.redhat.com
- RHSA-2026:60387 access.redhat.com
- RHSA-2026:60388 access.redhat.com
- RHSA-2026:60389 access.redhat.com
- RHSA-2026:60390 access.redhat.com
- RHSA-2026:60391 access.redhat.com
- RHSA-2026:67516 access.redhat.com
- RHSA-2026:71597 access.redhat.com
- RHSA-2026:73419 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2507537 bugzilla.redhat.com
Timeline
- Published
- Last modified