BIT-HUBBLE-RELAY-2026-33726 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...

BIT-CILIUM-2026-33726 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...

BIT-CILIUM-OPERATOR-2026-33726 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...

CVE-2026-33726

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...

SUSE CVE-2026-33726

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...

CVE-2026-33726

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...

CVE-2026-33726

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...

CVE-2026-33726 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...

CVE-2026-33726 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...

CVE-2026-33726 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...

CVE-2026-33726

CVE-2026-33726 is linked to a Cilium L7 proxy issue where Kubernetes NetworkPolicies are bypassed for same-node traffic to L7 services with a local backend when Per-Endpoint Routing is enabled and BPF Host Routing is disabled. Affected: Cilium 1.19.x (v1.19.0–v1.19.1), 1.18.x (v1.18.0–v1.18.7), a...

Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic

Impact 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 Routing is disabled. Per-Endpoint Routing is disabled by default, but is automatically enabled in deployments...

GHSA-HXV8-4J4R-CQGV Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic

Impact 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 Routing is disabled. Per-Endpoint Routing is disabled by default, but is automatically enabled in deployments...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization through the ciltocontainer and bpflxc local-backend packet path in the datapath components. An attacker can bypass ingress network policies and reach a local backend pod by sending traffic through an L7 load...

PT-2026-28513

Name of the Vulnerable Software and Affected Versions Cilium versions prior to 1.17.14 Cilium versions 1.18.0 through 1.18.7 Cilium versions 1.19.0 through 1.19.1 Description Cilium is a networking, observability, and security solution utilizing an eBPF-based dataplane. Ingress Network Policies a...