Blog posts about Next.js security.
How to detect Next.js middleware bypass exploits (CVE-2025-29927 & CVE‑2024‑51479) in request logs and using Arcjet for incident forensics.
A WAF can protect your Next.js app from passive scanning as well as active exploitation of known vulnerabilities. If you need to be PCI DSS v4.0 compliant then a WAF is required, but what about other types of application?
Nosecone is an open source library to set security headers like Content Security Policy (CSP) and HTTP Strict Transport Security (HSTS) on Next.js, SvelteKit, and other JavaScript frameworks using Bun, Deno, or Node.js. Security headers as code.
Server actions are an elegant way to handle simple functions for common actions like form submissions, but they're a public API so you still need to consider security.
But usually it's good enough to stop 80% of the worst actors with only 20% of the effort of doing it yourself.
How to protect GraphQL backends using Arcjet. Implementing rate limiting and bot protection for Yoga + Next.js.
Get the full posts by email every week.
