CVE-2026-26963
Medium · 6.1CVSS
6.1
EPSS
0.2%
Published
Feb 20, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Go | github.com/cilium/cilium | 1.18.0 | 1.18.6 |
| openSUSE:Leap 15.6 | govulncheck-vulndb | 0 | 0.0.20260226T182644-150000.1.149.1 |
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