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

Source

https://github.com/PuddinCat/CVE-2025-3248-POC

Associated Vulnerability

Title: Langflow < 1.3.0 Unauthenticated RCE via /api/v1/validate/code (CVE-2025-3248)
Description: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.

Description

POC of CVE-2025-3248, RCE of LangFlow

Readme

# CVE-2025-3248-POC

POC of CVE-2025-3248

execute any command on target machine

usage: `python poc.py 'http://xxx.com' 'ls /'`

leave some love on victims' computers

[poc.py](./poc.py)

File Snapshot

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