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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
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

Timeline

  1. Published
  2. Last modified

Other CVEs of Multicluster Global Hub

The 32 CVEs of Multicluster Global Hub →
CVE-2026-110744 A flaw was found in multicluster-global-hub-operator-bundle 7.2 High CVE-2026-83550 A flaw was found in postgres-exporter 7.1 High CVE-2026-71577 A flaw was found in multicluster-global-hub 6.3 Medium CVE-2026-71576 A flaw was found in multicluster-global-hub 8.5 High
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