Anthropic sure has a mess on its hands thanks to that Claude Code source leak

The Register / 4/6/2026

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Key Points

  • The Register reports that a leak of Anthropic’s Claude Code source has created reputational and security concerns for the company.

Anthropic sure has a mess on its hands thanks to that Claude Code source leak

Pay no attention to that code behind the curtain, says Anthropic as it scrambles to defend its IPO

Mon 6 Apr 2026 // 00:02 UTC

Kettle When it comes to circling up for this week's Kettle, what is there to discuss but Anthropic's accidental release of Claude Code's source code?

People have peered behind Claude Code's curtain before, but never like this: Prior attempts to understand how the AI software development assistant worked typically required reverse-engineering or sussing out small snippets of code. This time Anthropic simply left the stage door open with the entire Claude Code source ready and waiting for the right person to find itt. And find it they did on March 31. 

Tom Claburn and Jessica Lyons join Brandon Vigliarolo this week to chat about what exactly happened that caused all of Claude Code's … uh … code to leak, the security implications thereof, and just what sort of surprises have already been uncovered among the 512,000+ lines of code Anthropic handed the world last week.

You can listen to The Kettle here, as well as on Spotify and Apple Music. ®

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