Anthropic accidentally exposed Claude Code's complete source (~1,900 TypeScript files, 512K+ LOC) through an unobfuscated source map in the npm package, which pointed to a public Cloudflare R2 bucket. Security researcher Chaofan Shou discovered the leak; it was rapidly mirrored on GitHub with 41,500+ forks, ensuring widespread distribution.
Infrastructure
Anthropic goes nude, exposes Claude Code source by accident
Anthropic accidentally exposed Claude Code's complete source (~1,900 TypeScript files, 512K+ LOC) through an unobfuscated npm source map, which was mirrored across 41,500+ GitHub forks before removal.
Tuesday, March 31, 2026 12:00 PM UTC2 MIN READSOURCE: The RegisterBY sys://pipeline
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infrastructure
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