Entire Claude Code CLI source code leaks thanks to exposed map file

The entire source code for Anthropic’s Claude Code command line interface application (not the models themselves) has been leaked and disseminated, apparently due to a serious internal error. The leak ...

Anthropic took down thousands of GitHub repos trying to yank its leaked source code — a move the company says was an accident

Anthropic executives said it was an accident and retracted the bulk of the takedown notices.
Bleeping Computer

Claude Code source code accidentally leaked in NPM package

Anthropic says it accidentally leaked the source code for Claude Code, which is closed source, but the company says no customer data or credentials were exposed. While Anthropic pledges support to the ...
InfoQ

Anthropic Accidentally Exposes Claude Code Source via npm Source Map File

Security researcher Chaofan Shou discovered on March 31 that Anthropic's Claude Code CLI tool had its full TypeScript source code sitting in plain sight on the public ...

Open source is collapsing under AI-powered threats | Cal.com

AI has upended the foundation of open source security, and commercial open source applications must close their code to protect sensitive data.