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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

Red HatCVE-2026-66781

Red Hat Advanced Cluster Management for Kubernetes 2: information disclosure

Red Hat

CVE-2026-66781 · Published Aug 18, 2026 · updated Sep 3, 2026

Medium5.4
No fix yet
Red Hat advisory

A flaw was found in the Submariner operator. The Submariner Custom Resource (CR), used for configuring network connectivity, stores the IPsec pre-shared key (PSK) in an unencrypted format. This key, which is critical for securing communication between Kubernetes clusters, can be accessed by unauthorized parties. Such access enables an attacker to passively decrypt network traffic flowing between any two clusters in the mesh, resulting in sensitive information disclosure.

Affected versions

PackageAffectedFixed in
Red Hat Advanced Cluster Management for Kubernetes 2
Product
all versionsNo fix yet
Details and references

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