Description (CNA)
A flaw was found in Lighthouse. A remote attacker, by compromising a spoke cluster, can exploit a vulnerability where the destination namespace for resource injection is derived from an attacker-controlled label or annotation on the broker object. This allows the attacker to inject unauthorized EndpointSlices and ServiceImports into any namespace on peer clusters, including critical system namespaces like kube-system and openshift-*. This could lead to privilege escalation or other forms of system compromise within the cluster.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.16 | unaffected 1790670439 before * |
| Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.16 | unaffected 1790670231 before * |
| Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.16 | unaffected 1790670243 before * |
| Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.16 | unaffected 1790670912 before * |
| Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.17 | unaffected 1788023916 before * |
| Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.17 | unaffected 1788023940 before * |
| Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.17 | unaffected 1788105072 before * |
| Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.17 | unaffected 1788073481 before * |
CWE
CWE-1104
References
- https://access.redhat.com/errata/RHSA-2026:63016
- https://access.redhat.com/errata/RHSA-2026:85227
- https://access.redhat.com/security/cve/CVE-2026-66788
- https://bugzilla.redhat.com/show_bug.cgi?id=2507533
ADP enrichment
No English description supplied.
No references supplied.