Node.js 22 security release: builds before 22.23.4 are exposed

high severity · published 2026-10-20

Node.js 22.23.4 is a security release, and older builds on the 22 line stay exposed to the flaws it fixes until they are updated.

Fixed in: 22.23.4

Source: nodejs.org

Am I affected?

You are affected if the installed version is older than 22.23.4. Check the version you have and update to 22.23.4 or later. The fixed version is verified against a vendor or advisory source.

Get the fix

FixLane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the FixLane MCP server and call get_fix_prompt with incident id 1590 and your operating system.