# Cilium v1.18.16

> Networking & Messaging · 2026-10-23

A security-focused maintenance release updates the Go toolchain and dependencies, corrects namespace-scoping behavior, and refreshes release artifacts. It does not introduce broad new operator features.

## Action needed
- **[security]** `CVE-2026-111943` and the `Go` toolchain
  - This release upgrades `Go` to `1.26.10` to address `CVE-2026-111943`. Compromised eMudhra intermediate CA certificates are no longer trusted.

## Other recorded changes
- 6 (value_changed 4, defect_corrected 2)

[Full analysis](https://ratatosk.io/en/releases/cilium/v1.18.16)

[Original release notes](https://github.com/cilium/cilium/releases/tag/v1.18.16)