CVE-2025-3248 PoC — Langflow 安全漏洞

Source

https://github.com/dennisec/Mass-CVE-2025-3248

Associated Vulnerability

Title:Langflow 安全漏洞 (CVE-2025-3248)
Description:Langflow是Langflow开源的一个用于构建多代理和 RAG 应用程序的可视化框架。 Langflow 1.3.0之前版本存在安全漏洞，该漏洞源于/api/v1/validate/code端点存在代码注入漏洞，可能导致远程未经验证的攻击者执行任意代码。

Description

Mass-CVE-2025-3248

Readme

# Langflow CVE-2025-3248 Exploit Tool

![Severity](https://img.shields.io/badge/Severity-Critical-red)
![CVSS](https://img.shields.io/badge/CVSS-9.8-yellow)

## Overview

This tool exploits the critical Remote Code Execution (RCE) vulnerability **CVE-2025-3248** found in Langflow versions prior to 1.3.0.  
The vulnerability exists in the `/api/v1/validate/code` endpoint which improperly executes user-supplied code without authentication or sandboxing.

> ⚠️ **Warning:** Use this tool only on systems you own or have explicit permission to test. Unauthorized use is illegal and unethical.

---

## Features

- Test if a Langflow instance is vulnerable to CVE-2025-3248  
- Demonstrate remote code execution by executing arbitrary payloads  
- Simple CLI interface with customizable target URL

File Snapshot


 [4.0K]  /data/pocs/9da6d0cf5b857c44255faada0be6b3dc3bdc590f
├── [4.7K]  Mass-CVE-2025-3248.py
└── [ 801]  README.md

0 directories, 2 files

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