Entire Claude Code CLI Source Code Leaks Due to Exposed Map File

A significant security vulnerability has exposed 512,000 lines of source code for the Claude Code CLI tool due to an improperly configured map file. This leak allows competitors and hobbyists to immediately study the proprietary codebase, potentially accelerating reverse-engineering efforts against the model. The incident highlights critical risks in AI deployment where internal infrastructure configurations can inadvertently grant full access to intellectual property.