CVE-2026-26963

Published February 20th, 2026

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CVSS v3

6.1

MEDIUM

CVSS v2

N/A

Affected

PROJECT

Description

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/cilium

eBPF-based Networking, Security, and Observability

GitHub

24.6K