Node.js Ships Security Update Fixing High-Severity Flaws Across Three Release Lines

Node.js released a security update on October 21 covering the 22.x, 24.x and 26.x lines, fixing four high-severity vulnerabilities including a Brotli remote code execution flaw. Developers running versions below 22.23.4 are urged to upgrade immediately.

2026-10-21 ~ 2026-10-22 · 3 related posts

• Node.js ships security updates fixing 4 high-severity bugs, incl. Brotli RCE — jedisct1 · 2026-10-21
• Node.js to ship security fixes Oct 21 for HIGH-severity bugs across 22.x, 24.x and 26.x — MickeySteamboat · 2026-10-22
• Check your Node version: anything below 22.23.4 needs an immediate update — AIandDesign · 2026-10-22