6.5
Medium
CVE-2026-66780 A flaw was found in the submariner-operator component
Description
A flaw was found in the submariner-operator component. The `submariner-k8s-broker-cluster` Role, which is assigned to joined clusters, possesses excessive permissions. This allows a compromised cluster to alter network configurations, specifically by overwriting other clusters' endpoint information. Consequently, an attacker can redirect inter-cluster tunnel traffic, enabling a Man-in-the-Middle (MITM) attack across the entire cluster mesh.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Advanced Cluster Management for Kubernetes 2 | Versions not published | |
| Red Hat Advanced Cluster Management for Kubernetes 2.11 1789135606 | earliest → < 1789135606 | 1789135606 |
| Red Hat Advanced Cluster Management for Kubernetes 2.13 1789131397 | earliest → < 1789131397 | 1789131397 |
| Red Hat Advanced Cluster Management for Kubernetes 2.14 1789136328 | earliest → < 1789136328 | 1789136328 |
| Red Hat Advanced Cluster Management for Kubernetes 2.15 1789136327 | earliest → < 1789136327 | 1789136327 |
| Red Hat Advanced Cluster Management for Kubernetes 2.16 1790670912 | earliest → < 1790670912 | 1790670912 |
| Red Hat Advanced Cluster Management for Kubernetes 2.17 1788572527 | earliest → < 1788572527 | 1788572527 |
Other CVEs of Red Hat Advanced Cluster Management for Kubernetes 2
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Medium
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8.5
High
CVE-2026-89091
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8.8
High