Nextjs

Guides· DeploySmith ·

Next.js Nov 2026 Security Release: Patch to v16.4.5

Intermediate · 12 min read

The Next.js security release is out. Vercel shipped v16.4.5 (Active LTS) and v15.5.29 (Maintenance LTS) on November 3, 2026, closing seven advisories: one high severity and six medium. If you self-host, the patched code only reaches production when you update the dependency, rebuild the standalone artifact, and restart the process. This guide maps all seven advisories to their affected surfaces, calls out the ones that matter most for a self-hosted stack in front of nginx, and walks through the exact update sequence for a standalone build under PM2.…

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