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 |
|---|---|---|
| wolfi | kubescape | 0, 0, 0 |
| chainguard | hubble-ui | 0 |
| wolfi | hubble | 0, 0, 0 |
| chainguard | hubble-ui-backend-fips | 0 |
| github.com | cilium/cilium | 1.19.0, 0, 1.18.0 |
| chainguard | kubescape | 0, 0 |
| wolfi | hubble-ui | 0, 0, 0 |
| wolfi | kubescape-operator | 0, 0, 0 |
| chainguard | hubble-fips | 0 |
| chainguard | kubescape-operator-fips | 0, 0 |
| chainguard | kubescape-server-fips | 0, 0 |
| chainguard | kubescape-server | 0, 0 |
| chainguard | kubescape-operator | 0, 0 |
| chainguard | hubble | 0 |
Timeline
- Mar 26, 2026 CVE Published
- Apr 6, 2026 CVE Updated
References
- https://docs.cilium.io/en/stable/network/concepts/routing/#routing url
- https://github.com/cilium/cilium/security/advisories/GHSA-hxv8-4j4r-cqgv advisory
- 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