| id: GO-2026-4522 |
| modules: |
| - module: github.com/cilium/cilium |
| versions: |
| - introduced: 1.18.0 |
| - fixed: 1.18.6 |
| vulnerable_at: 1.18.5 |
| summary: |- |
| Cilium may not enforce host firewall policies when Native Routing, WireGuard and |
| Node Encryption are enabled in github.com/cilium/cilium |
| cves: |
| - CVE-2026-26963 |
| ghsas: |
| - GHSA-5r23-prx4-mqg3 |
| references: |
| - advisory: https://github.com/cilium/cilium/security/advisories/GHSA-5r23-prx4-mqg3 |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-26963 |
| - fix: https://github.com/cilium/cilium/commit/88e28e1e62c0b1a02c3f0fc22d888ac9eefbe885 |
| - fix: https://github.com/cilium/cilium/pull/42892 |
| - web: https://github.com/cilium/cilium/releases/tag/v1.18.6 |
| source: |
| id: GHSA-5r23-prx4-mqg3 |
| created: 2026-02-23T12:10:35.588542129-05:00 |
| review_status: UNREVIEWED |
