Cursor's Composer 2 Secretly Built on Chinese DeepSeek AI Model, Raising Supply Chain Concerns

VentureBeat reports that Cursor's Composer 2 coding agent was built on a Chinese AI model, exposing Western developers to potential supply chain risks from foreign AI infrastructure. The revelation highlights the tension between open-source AI development and national security concerns, particularly as AI coding tools gain widespread adoption among software engineers with access to proprietary codebases.