CVE-2026-33726
2 advisories.
Go/github.com/cilium/cilium CVE-2026-33726: medium 5.4
Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic
Action: Upgrade github.com/cilium/cilium to 1.17.14 or later.
go get github.com/cilium/cilium@v1.17.14go get github.com/cilium/cilium@v1.18.8go get github.com/cilium/cilium@v1.19.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.17.14 | - |
| 1.18.0 | 1.18.8 | - |
| 1.19.0 | 1.19.2 | - |
Fixed versions
| 1.17.14 | 1.18.8 | 1.19.2 |
Sources
- osv: GHSA-hxv8-4j4r-cqgv
- https://github.com/cilium/cilium/security/advisories/GHSA-hxv8-4j4r-cqgv
- https://nvd.nist.gov/vuln/detail/CVE-2026-33726
- https://github.com/cilium/cilium/pull/44693
- https://docs.cilium.io/en/stable/network/concepts/routing/#routing
- https://docs.cilium.io/en/stable/network/kubernetes/policy/#network-policy
- https://docs.cilium.io/en/stable/network/servicemesh/l7-traffic-management
- https://docs.cilium.io/en/stable/operations/performance/tuning/#ebpf-host-routing
- https://github.com/cilium/cilium
CVE-2026-33726 · published · modified · JSON
Go/github.com/cilium/cilium CVE-2026-33726: unknown
Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic in github.com/cilium/cilium
Action: Upgrade github.com/cilium/cilium to 1.17.14 or later.
go get github.com/cilium/cilium@v1.17.14go get github.com/cilium/cilium@v1.18.8go get github.com/cilium/cilium@v1.19.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.17.14 | - |
| 1.18.0 | 1.18.8 | - |
| 1.19.0 | 1.19.2 | - |
Fixed versions
| 1.17.14 | 1.18.8 | 1.19.2 |
Sources
- osv: GO-2026-4856
- https://github.com/cilium/cilium/security/advisories/GHSA-hxv8-4j4r-cqgv
- https://github.com/cilium/cilium/pull/44693
- https://docs.cilium.io/en/stable/network/concepts/routing/#routing
- https://docs.cilium.io/en/stable/network/kubernetes/policy/#network-policy
- https://docs.cilium.io/en/stable/network/servicemesh/l7-traffic-management
- https://docs.cilium.io/en/stable/operations/performance/tuning/#ebpf-host-routing
CVE-2026-33726 · published · modified · JSON