graysignal/cve-2025-3248Exploit scanner detecting unauthenticated code injection in Langflow's /api/v1/validate/code endpoint and executing arbitrary code for authorized tests.
Langflow is a low-code platform primarily used for building and deploying AI agents and workflows. It simplifies the development process by providing a visual interface for creating complex AI applications, including chatbots, RAG (Retrieval-Augmented Generation) systems, and more.
Langflow versions prior to 1.3.0 are vulnerable to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP POST requests to execute arbitrary code.
Usage example: python3 exploit.py -u http://localhost:7860/
Disclaimer: This exploit is to be used only for educational and authorized testing purposes. Illegal/unauthorized use of this exploit is prohibited. I am not responsible for any misuse or damage caused by this script.
