Claude Code's Entire Source Code Just Leaked — 512,000 Lines Exposed
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This morning, the AI community woke up to a bombshell: Claude Code's entire source code was exposed on GitHub. Not a snippet. Not a partial leak. All 512,000 lines. 1,900 files. Complete TypeScript source. How It Happened March 31, 2026. Security researcher Chaofan Shou posted on X: "Claude code source code has been leaked via a map file in their npm registry!" A single .map file. That's all it took. Source maps are debugging tools that map compiled code back to original source. They're sup