CVE-2026-66787

In Red Hat Advanced Cluster Management for Kubernetes, the lighthouse component fails to validate IP addresses in EndpointSlice objects. A compromised spoke cluster can publish attacker-controlled IPs, causing other clusters' lighthouse DNS to resolve legitimate cross-cluster service names to mal...

CVE-2026-66787

A flaw was found in the lighthouse component of Red Hat Advanced Cluster Management for Kubernetes. This vulnerability stems from insufficient validation of advertised IP addresses within EndpointSlice objects. A compromised spoke cluster can exploit this by creating EndpointSlices with...