CVE-2026-66780
CVE-2026-66780: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-66780] Broker ServiceAccount Secret (token + CA) logged in full at TRACE verbosity
CVE-2026-66780Source published Source updated
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. Red Hat severity: Important — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). Weakness: CWE-532. Affected Red Hat products: Red Hat Advanced Cluster Management for Kubernetes 2.17; Red Hat Advanced Cluster Management for Kubernetes 2. Red Hat fixing advisory: RHSA-2026:63016.
- Affected products in this advisory
- Red Hat Advanced Cluster Management for Kubernetes 2.17
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- rhacm2/subctl-rhel9:1788105072
- rhacm2/submariner-rhel9-operator:1788073481
- RHSA-2026:63016
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
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