GO-2025-4167: Cilium with misconfigured toGroups in policies can lead to unrestricted egress traffic in Ciliumgithub.com/cilium/cilium

  GO-2026-4522: Cilium may not enforce host firewall policies when Native Routing, WireGuard and Node Encryption are enabled in github.com/cilium/cilium

  GO-2026-4856: Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic in github.com/cilium/cilium

  GO-2026-5400: Cillium exposes sensitive information included in the cilium-bugtool debug archive in github.com/cilium/cilium

  GO-2026-5905: Cilium vulnerable to sensitive information disclosure and cluster disruption via local Envoy admin socket access in github.com/cilium/cilium

  GO-2026-5914: CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation in github.com/cilium/cilium