GO-2026-4522

vendorUSosv

Cilium may not enforce host firewall policies when Native Routing, WireGuard and Node Encryption are enabled in github.com/cilium/cilium

view advisory published 2026-02-23Licence: per source

Cilium may not enforce host firewall policies when Native Routing, WireGuard and Node Encryption are enabled in github.com/cilium/cilium

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-26963USmedium5.4OT elevated—
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 w…
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references

External citations — patches, advisories, analysis.

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