Next.js Security Hub
This page groups framework-specific SecureCodeReviews content for teams shipping Next.js applications and trying to reduce auth, data exposure, and header misconfiguration risk.
Guides
6
Latest Update
May 8, 2026
Primary Intent
Next.js hardening guides covering Server Actions, App Router, middleware, headers, and common web vulnerabilities in production apps.
Next.js Security Best Practices: Server Actions, Auth, Headers & Hardening Guide
A practical Next.js security guide covering Server Actions, middleware, authentication, security headers, environment variables, and App Router hardening for Next.js 15 and 16.
CORS Misconfiguration: Exploitation, Examples, and Prevention Guide
Most CORS bugs start as a quick frontend fix, then quietly turn the browser into an attacker-controlled proxy. This article breaks down the mistakes that actually show up in production and how to tighten them without breaking the app.
Clickjacking Attack Explained: Prevention, Examples, and Security Guide
Clickjacking is easy to dismiss because the payload is just a click, not an exploit string. This article focuses on where framing bugs still matter, why teams miss them, and how to shut them down cleanly with modern header policy.
Open Redirect Vulnerability: Exploitation, Examples, and Prevention Guide
Open redirects often get waved away as low severity, then show up later in phishing kits and broken OAuth flows. This article looks at the cases that actually matter in practice and the redirect validation patterns that hold up under testing.
React XSS Vulnerabilities: dangerouslySetInnerHTML and Beyond
React auto-escapes by default — but developers still introduce XSS through dangerouslySetInnerHTML, href injection, server-side rendering, and third-party libraries. Here are the patterns we catch in reviews.
OWASP Proactive Controls 2026: 10 Security Practices Every Developer Must Know
The OWASP Proactive Controls are the most important security practices for developers. This updated 2026 guide covers all 10 controls with modern examples for Next.js, Node.js, React, and cloud-native applications.