Introduction Hello. I’m Mori (@ei01241 ), a security engineer at GMO Flatt Security, Inc. In recent years, the evolution of Large Language Models (LLMs) has accelerated the development of a wide range of AI applications, such as chatbots, data analysis/summarization, and autonomous agents. LLM frameworks like LangChain and LlamaIndex abstract LLM collaboration and external data connections to improve development efficiency, but behind this convenience lie new security risks. In this article...