Node.js Patched High Severity Flaws on Oct 21. Update Now Before Nov 11

Node.js security releases shield and server illustration

On October 21, 2026, the Node.js project shipped security releases for the supported lines. The fixed builds are 26.12.1, 24.22.1 and 22.23.4. The highest severity issues in that batch are rated High. One of them is a Brotli decoder bug that can lead to remote code execution. Others let a crafted hostname bypass DNS or […]