VDB
GO-2026-4856
GO-2026-4856
PUBLISHED
Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic in github.com/cilium/cilium
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | cilium/cilium | 0, 1.18.0, 1.19.0 |
Exploit Intelligence
- CVE-2026-33726.yml (github-poc)
Timeline
- Mar 26, 2026 CVE Published
- Apr 6, 2026 CVE Updated
References
- https://github.com/cilium/cilium/security/advisories/GHSA-hxv8-4j4r-cqgv advisory
- https://docs.cilium.io/en/stable/network/concepts/routing/#routing url
- https://docs.cilium.io/en/stable/network/kubernetes/policy/#network-policy url
- https://docs.cilium.io/en/stable/network/servicemesh/l7-traffic-management url
- https://docs.cilium.io/en/stable/operations/performance/tuning/#ebpf-host-routing url
- https://github.com/cilium/cilium/pull/44693 fix