Claude Code’s 512,000-Line Leak Rattles Anthropic’s $350 Billion IPO Ambitions
Anthropic unintentionally printed 512,000 traces of Claude Code’s proprietary supply code by a debug file bundled right into a routine npm replace on March 31.
The leak uncovered the complete structure of the corporate’s flagship AI coding device, which generates an estimated $2.5 billion in annualized recurring income.
Second Lapse in Five Days Raises IPO Questions
Security researcher Chaofan Shou noticed the uncovered supply map file in Claude Code model 2.1.88 and posted a obtain hyperlink on X (Twitter).
The codebase unfold throughout GitHub inside hours, accumulating tens of 1000’s of forks earlier than Anthropic’s DMCA takedowns hit.
The incident landed simply 5 days after a separate CMS misconfiguration uncovered roughly 3,000 inside information, together with particulars on the unreleased “Mythos” mannequin.
Two unintended disclosures in a single week elevate operational questions for an organization valued at $350 billion and reportedly contemplating an IPO in This fall 2026.
The Code Is Now Permanent
Korean-Canadian developer Sigrid Jin, profiled by the Wall Street Journal for consuming 25 billion Claude Code tokens final yr, accomplished a clean-room Python rewrite earlier than dawn.
His repository, claw-code, hit 50,000 GitHub stars inside two hours of publication.
The leaked information revealed an inside characteristic known as “Undercover Mode,” constructed particularly to forestall Claude from leaking Anthropic’s secrets and techniques.
The code additionally uncovered 44 characteristic flags, an unreleased background daemon known as KAIROS, and inside mannequin codenames, together with “Capybara” for a Claude 4.6 variant.
Anthropic confirmed the leak to a number of retailers, calling it a packaging error brought on by human error. Enterprise shoppers, who account for 80% of Claude Code’s income, now face a device whose safety logic and permission bypass strategies sit on the open web.
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