VDB
GO-2026-4522
GO-2026-4522
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Cilium may not enforce host firewall policies when Native Routing, WireGuard and Node Encryption are enabled in github.com/cilium/cilium
Risk Scores
CVSS v4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | cilium/cilium | 1.18.0, 1.18.0 |
Timeline
- Feb 23, 2026 CVE Published
- Feb 23, 2026 CVE Updated
- May 1, 2026 Security Advisory
References
- https://github.com/cilium/cilium/security/advisories/GHSA-5r23-prx4-mqg3 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-26963 advisory
- https://github.com/cilium/cilium/commit/88e28e1e62c0b1a02c3f0fc22d888ac9eefbe885 fix
- https://github.com/cilium/cilium/pull/42892 fix
- https://github.com/cilium/cilium/releases/tag/v1.18.6 fix