Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.17.14, 1.18.8, and 1.19.2, Ingress Network Policies are not enforced for traffic from pods to L7 Services (Envoy, GAMMA) with a local backend on the same node, when Per-Endpoint Routing is enabled and BPF Host…
Severity medium: primary CNA CVSS 5.4 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-03-27T00:23:21.795Z. Updated 2026-03-27T13:50:24.672Z.