-template-..-2f..-2f..-2f..-2froot-2f.aws-2fcredentials ((link)) Jun 2026

Understanding the Local File Inclusion (LFI) and Path Traversal Vulnerability: Analysis of ..-2F Payloads

// DO NOT USE - VULNERABLE func renderTemplate(w http.ResponseWriter, r *http.Request) userTemplate := r.URL.Query().Get("template") // Attacker supplies: -template-../../../../root/.aws/credentials t, err := template.ParseFiles("templates/" + userTemplate) if err != nil // ... -template-..-2F..-2F..-2F..-2Froot-2F.aws-2Fcredentials

: Only allow alphanumeric characters in file parameters. Do not allow dots ( . ) or slashes ( / ). Understanding the Local File Inclusion (LFI) and Path