CVE-2026-40701 NGINX SSL模块释放后重用漏洞

import socket import ssl # This script attempts to connect to a target to verify the SSL configuration. # It simulates the conditions required for CVE-2026-40701. # Note: This is a connection test, not an exploit. def check_vulnerability(host, port): context = ssl.create_default_context() # Load client certificate if required by server (ssl_verify_client) # context.load_cert_chain(certfile="client.pem", keyfile="client.key") try: with socket.create_connection((host, port)) as sock: with context.wrap_socket(sock, server_hostname=host) as ssock: print(f"Connected to {host} on port {port}") print(f"Protocol: {ssock.version()}") # Send a basic HTTP request to trigger OCSP stapling logic ssock.sendall(b"GET / HTTP/1.1\r\nHost: " + host.encode() + b"\r\n\r\n") response = ssock.recv(4096) print(response.decode()) except Exception as e: print(f"Error: {e}") if __name__ == "__main__": TARGET_HOST = "example.com" TARGET_PORT = 443 check_vulnerability(TARGET_HOST, TARGET_PORT)