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CVE-2026-66780

6.5 medium SSVC exploitation: none Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 17:01
  2. First seenCVSS 6.5NVD modified 2026-10-19 17:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 11