Go/github.com/cilium/cilium CVE-2026-26963: medium 6.1, EPSS 0.18%
Cilium may not enforce host firewall policies when Native Routing, WireGuard and Node Encryption are enabled
Action: Upgrade github.com/cilium/cilium to 1.18.6 or later.
go get github.com/cilium/cilium@v1.18.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.18.0 | 1.18.6 | - |
Fixed versions
| 1.18.6 |
Sources
- osv: GHSA-5r23-prx4-mqg3
- https://github.com/cilium/cilium/security/advisories/GHSA-5r23-prx4-mqg3
- https://nvd.nist.gov/vuln/detail/CVE-2026-26963
- https://github.com/cilium/cilium/pull/42892
- https://github.com/cilium/cilium/commit/88e28e1e62c0b1a02c3f0fc22d888ac9eefbe885
- https://github.com/cilium/cilium
- https://github.com/cilium/cilium/releases/tag/v1.18.6
CVE-2026-26963 · published · modified · JSON