# Go 1.27.4 and Go 1.26.11 are released with 12 security fixes

Source: [Open Source Security](https://seclists.org/oss-sec/2026/q4/646) · 2026-11-10 · Security
Page: https://themorning.dev/story/go-1-27-4-and-go-1-26-11-are-released-with-12-security-fixes-0d2f8496c7c04e29
Kind: security · Impact: medium

## In brief

- Go 1.27.4 and Go 1.26.11 were released on 2026-11-10.
- The releases include fixes for 12 security issues.
- The announcement was posted to the oss-sec and golang-nuts mailing lists.

## Why it matters

Developers running affected Go toolchains should upgrade to receive the security fixes.

## What to do

- Upgrade to Go 1.27.4 or Go 1.26.11

## Versions

- Go 1.27.4
- Go 1.26.11

## Timeline

- 2026-11-10: Go 1.27.4 and Go 1.26.11 released with 12 security fixes

## Coverage

- [Go 1.27.4 and Go 1.26.11 are released with 12 security fixes](https://seclists.org/oss-sec/2026/q4/646) — Open Source Security, 2026-11-10

Tags: go, security, release, vulnerability, golang

---

Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Dev – https://themorning.dev