CVE-2026-34992

Antrea is a Kubernetes networking solution intended to be Kubernetes native. Prior to 2.4.5 and 2.5.2, a missing encryption vulnerability affects inter-Node Pod traffic. In Antrea clusters configured for dual-stack networking with IPsec encryption enabled trafficEncryptionMode: ipsec, Antrea fail...

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-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...

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...

Missing Encryption of Sensitive Data

Overview Affected versions of this package are vulnerable to Missing Encryption of Sensitive Data in the handling of inter-Node Pod traffic when dual-stack networking is configured with IPsec encryption enabled. An attacker can intercept and read sensitive IPv6 Pod traffic by monitoring network...

PT-2026-30013

Name of the Vulnerable Software and Affected Versions Antrea versions prior to 2.4.5 and 2.5.2 Description Antrea, a Kubernetes networking solution, has a missing encryption issue affecting inter-Node Pod traffic. In dual-stack networking clusters with IPsec encryption enabled...

Antrea has Missing Encryption of Sensitive Data

This is a missing encryption vulnerability CWE-311 affecting inter-Node Pod traffic. In Antrea clusters configured for dual-stack networking with IPsec encryption enabled trafficEncryptionMode: ipsec, Antrea fails to apply encryption for IPv6 Pod traffic. While the IPv4 traffic is correctly...

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 affects Cilium’s eBPF 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) on the same node when Per-Endpoint Routing is enabled and BPF Host Routing is disabled. Per-Endpoint Routing...

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...

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

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

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...

EUVD-2026-16503

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

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...

SUSE CVE-2026-26963

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.18.0 through 1.18.5 will incorrectly permit traffic from Pods on other nodes when Native Routing, WireGuard and Node Encryption are enabled. This issue has been fixed in version 1.18.6...

📄 Cilium 1.18.5 Traffic Bypass

This Python proof of concept script performs a comprehensive node-level analysis to assess a vulnerability in Cilium versions 1.18.0 through 1.18.5 that allows cross-node Pod traffic to bypass Host Firewall policies when Native Routing, WireGuard, and Node Encryption are enabled...

UBUNTU-CVE-2026-26963

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.18.0 through 1.18.5 will incorrectly permit traffic from Pods on other nodes when Native Routing, WireGuard and Node Encryption are enabled. This issue has been fixed in version 1.18.6...

CVE-2026-26963

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.18.0 through 1.18.5 will incorrectly permit traffic from Pods on other nodes when Native Routing, WireGuard and Node Encryption are enabled. This issue has been fixed in version 1.18.6...

CVE-2026-26963

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.18.0 through 1.18.5 will incorrectly permit traffic from Pods on other nodes when Native Routing, WireGuard and Node Encryption are enabled. This issue has been fixed in version 1.18.6...

PT-2026-20966

Name of the Vulnerable Software and Affected Versions Cilium versions 1.18.0 through 1.18.5 Description Cilium, a networking, observability, and security solution utilizing an eBPF-based dataplane, is affected by an issue where traffic from Pods on other nodes may be incorrectly permitted. This...