The leak provides competitors—from established giants to nimble rivals like Cursor—a literal blueprint for how to build a ...

It says it is, but the reality is a little blurry.

A version of the AI coding tool in Anthropic's npm registry included a source map file, which leads to the full proprietary ...

Gartner issued a same-day advisory after Anthropic leaked Claude Code's full architecture. CrowdStrike CTO Elia Zaitsev and ...

Claude Code Source Code Leak Anthropic: Analysts believe the leak could impact the company’s reputation, especially as it is ...

Anthropic says it accidentally leaked the source code for Claude Code, which is closed source, but the company says no ...

After details of a yet-to-be-announced model were revealed due to the company leaving unpublished drafts of documents and ...

From a competition perspective, a source code leak is bad news for Anthropic because it could give rival AI companies and ...

Anthropic is scrambling to contain the leak, but the AI coding agent is spreading far and wide and being picked apart.

A routine software update for Anthropic's Claude Code tool accidentally leaked its entire source code, sparking rapid ...

Anthropic accidentally released part of the internal source code for its AI-powered coding assistant Claude Code due to ...

A researcher flagged the issue on 31 March 2026, and the code has since been archived on multiple public repositories, ...