CVE-2025-3248 PoC — Langflow 安全漏洞

Source

https://github.com/verylazytech/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。

Readme

# POC - Remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code - CVE-2025-3248

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## Overview

Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code.

[Full POC](https://youtu.be/n8ZyQpaYH5g)


**Read about it** — [CVE-2025-3248](https://nvd.nist.gov/vuln/detail/CVE-2025-3248)

> **Disclaimer**: This Proof of Concept (POC) is made for educational and ethical testing purposes only. Usage of this tool for attacking targets without prior mutual consent is illegal. It is the end user’s responsibility to obey all applicable local, state, and federal laws. Developers assume no liability and are not responsible for any misuse or damage caused by this program.

## Getting Started

### Finding Targets

To find potential targets, use Fofa (similar to Shodan.io):

- **Fofa Dork**: "Langflow"`
![Fofa](https://github.com/user-attachments/assets/60834178-2f5d-464a-9125-760156a5ca7a)



### Cloning the Repository

First, clone the repository:

```bash
git clone https://github.com/verylazytech/CVE-2025-3248

```

Run the Exploit:

```bash
python3 CVE-2025-3248.py <Target:port>  <cmd>
```
![Capture](https://github.com/user-attachments/assets/8eb41222-4048-41f3-81ef-d86877372a77)

File Snapshot


 [4.0K]  /data/pocs/c6df3e6e3dc5f6a67f44adbd297bba7377984d70
├── [3.8K]  cve-2025-3248.py
└── [1.8K]  README.md

0 directories, 2 files

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