📌 Introduction CVE-2025-29927 is a critical vulnerability in Next.js , a popular open-source React framework by Vercel. This flaw allows attackers to bypass middleware-based authentication and authorization , gaining access to protected endpoints without permission. In this post, I’ll break it down simply for beginners and fellow developers. 💡 What is Next.js? Next.js is a React-based framework that helps developers build fast, scalable web apps. It offers: ⚡ Automatic Code Splitting – Sends only necessary code to the browser. 🌐 SSR & SSG – Server-side rendering and static site generation for performance and SEO. 🔗 API Routes – Handle backend logic within the same app. 🛡️ Middleware – Add custom logic (auth, logging, redirects) before reaching routes. 🔐 Understanding Middleware in Next.js Middleware runs before the request reaches a page or API route. Common uses: ✅ Authentication & Authorization 📊 Request Logging 🔀 Header or U...
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