← All CVEs

CVE-2026-66788

critical · 9.9

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.

9.9
CVSS
0.7%
EPSS (exploit prob.)
51st
EPSS percentile
2026-08-20
Published

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H

Weaknesses

CWE-1104

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-66788