CVE-2026-66780
Submariner-operator: broker serviceaccount secret (token + ca) logged in full at trace verbosity
- State
- Published
- Severity
- 6.5 Medium
- Published
- Aug 18, 2026
- Updated
- Oct 19, 2026
- Reserved
- Jul 27, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | redhat |
Weaknesses
- CWE-532 Insertion of Sensitive Information into Log File
Affected Products
| Product | Versions |
|---|---|
Red Hat Advanced Cluster Management for Kubernetes 2.11Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.13Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.14Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.15Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.16Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.16Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.16Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.16Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.17Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.17Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.17Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2Red Hat |
References
- RHSA-2026:63016vendor-advisory
- RHSA-2026:67538vendor-advisory
- RHSA-2026:67539vendor-advisory
- RHSA-2026:67540vendor-advisory
- RHSA-2026:67541vendor-advisory
- RHSA-2026:67542vendor-advisory
- RHSA-2026:67543vendor-advisory
- RHSA-2026:72880vendor-advisory
- RHSA-2026:85227vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-66780vdb-entry
- RHBZ#2507524issue-tracking
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