Nextjs

Machine: Previous Platform: Hack The Box Difficulty: Medium OS: Linux Focus: Next.js middleware auth bypass, LFI with secret leakage, credential extraction, and privilege escalation via Terraform plugin hijacking Executive Summary Previous is a Linux machine that exposes real-world vulnerabilities in modern web applications. The attack chain includes: Next.js middleware authorization bypass (CVE-2025-29927) Local File Inclusion (LFI) through an insecure download endpoint Information disclosure and credential leakage Privilege escalation via Terraform provider hijacking This write-up walks through each issue and shows practical exploitation techniques. ...