AI Coding Assistants Found Exfiltrating Code to China in 2026
In January 2026, security researchers uncovered that two AI coding assistant extensions, 'ChatGPT - 中文版' and 'ChatMoss (CodeMoss)', available on the Visual Studio Code Marketplace, were surreptitiously exfiltrating developers' source code to servers in China. These extensions, collectively installed by approximately 1.5 million users, functioned as advertised but secretly transmitted entire file contents and user data without consent. The campaign, dubbed 'MaliciousCorgi', exploited the trust developers place in marketplace extensions, leading to significant exposure of proprietary code and sensitive information. This incident underscores the escalating risks associated with supply chain attacks targeting developer tools. The widespread adoption of AI-powered extensions, combined with insufficient vetting processes in extension marketplaces, has created a fertile ground for malicious actors. Organizations must prioritize stringent security assessments of third-party tools to safeguard intellectual property and maintain operational integrity.
Kill Chain