Captcha Me If You Can Root Me Apr 2026

🎯 Never trust user input, even behind a CAPTCHA.

Script imports a writable module → path hijacking: captcha me if you can root me

Title: Captcha Me If You Can – Root Me Write-up 🧩💀 🎯 Never trust user input, even behind a CAPTCHA

import pytesseract from PIL import Image import requests s = requests.Session() resp = s.get("http://challenge/captcha") with open("cap.png", "wb") as f: f.write(resp.content) text = pytesseract.image_to_string(Image.open("cap.png")) Solved CAPTCHA → accessed /exec endpoint. Parameter cmd vulnerable: 🎯 Never trust user input