CVE-2025-3248 PoC — Langflow < 1.3.0 Unauthenticated RCE via /api/v1/validate/code

Source

Associated Vulnerability

Description

CVE-2025-3248 — Langflow RCE Exploit

Readme

# CVE-2025-3248 — Langflow RCE Exploit

Remote Code Execution (RCE) exploit for **Langflow** applications vulnerable to **CVE-2025-3248**.

- **Affected Endpoint:** `/api/v1/validate/code`

---

## 🚀 Exploit Features

- 🔓 Remote & unauthenticated RCE
- 🔐 No authentication required
- 🐍 Python3 one-liner script
- 🎨 Colorized terminal output for clarity

---

## 🔧 Usage

```bash
python3 langflow_rce.py -u http://target:7860 -c "id"
python3 langflow_rce.py -i target.txt -c "id"
python3 langflow_rce.py -i target.txt -c "id" -p http://127.0.0.1:8080
```

## Dork
```
Shodan: 

http.title:"Langflow" "Langflow allows you to build LLM applications"

title:"Langflow"

ZoomEye: 

title:"Langflow" && body:"Langflow allows you to build LLM applications"

app:"Langflow"

FOFA: 

title="Langflow" && body="Langflow allows you to build LLM applications"

app="Langflow"
```

File Snapshot

 [4.0K]  /data/pocs/a3903b6e82bbffbb8e174d60a475a24aeb418ff4
├── [4.1K]  CVE-2025-3248.py
├── [1.0K]  LICENSE
└── [ 888]  README.md

0 directories, 3 files

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