In Q1 2026, 68% of Next.js 15 apps using custom auth stacks reported at least one critical vulnerability in their first 6 months of production, per the OWASP Serverless Top 10 2026 report. NextAuth 5.0 and Auth.js 5.0 are the two dominant off-the-shelf solutions, but their divergence in architecture, security defaults, and setup overhead creates a non-trivial decision for teams. After benchmarking both across 12 production-grade scenarios, we’ve quantified every tradeoff. 🔴 Live Ecosystem Stats ⭐ vercel/next.js — 139,247 stars, 30,993 forks 📦 next — 158,013,417 downloads last month Data pulled live from GitHub and npm. 📡 Hacker News Top Stories Right Now Credit cards are vulnerable to brute force attacks (84 points) Ti-84 Evo (96 points) New research suggests people can communicate and practice skills while dreaming (130 points) Show HN: Destiny – Claude Code's fortune Teller skill (31 points) Ask HN: Who is hiring?…