CVE-2026-66781: Red Hat Advanced Cluster Management for Kubernetes 2.11 (exact versions not specified); +6 more affected products

Affected technology

Red Hat Advanced Cluster Management for Kubernetes 2.11 · Exact affected versions not specified by the source
Red Hat

Red Hat Advanced Cluster Management for Kubernetes 2.13 · Exact affected versions not specified by the source
Red Hat

Red Hat Advanced Cluster Management for Kubernetes 2.14 · Exact affected versions not specified by the source
Red Hat

Red Hat Advanced Cluster Management for Kubernetes 2.15 · Exact affected versions not specified by the source
Red Hat

Red Hat Advanced Cluster Management for Kubernetes 2.16 · Exact affected versions not specified by the source
Red Hat

Red Hat Advanced Cluster Management for Kubernetes 2.17 · Exact affected versions not specified by the source
Red Hat

Red Hat Advanced Cluster Management for Kubernetes 2 · Exact affected versions not specified by the source
Red Hat

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Adjacent network · No privileges required · No user interaction required

What an attacker can do

An attacker can passively decrypt network traffic flowing between any two clusters in the mesh, resulting in sensitive information disclosure. Vendor/CNA’s CVSS 3.1 assessment (base score 5.4/10) rates confidentiality and availability impact as low; integrity impact as none.