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Decompiled: How Mini Shai-Hulud Walked Into OpenAI Through Two Unpatched Laptops

5/14/2026

Decompiled: How Mini Shai-Hulud Walked Into OpenAI Through Two Unpatched Laptops The story everyone is reading says: OpenAI got brushed by a supply chain attack, no user data exposed, move along.

The story underneath the wire is more interesting.

Two engineering laptops at one of the most security-conscious companies on the planet were running an outdated install configuration when 84 poisoned versions of TanStack packages shipped to npm.

The package those laptops pulled in, @tanstack/react-router, gets downloaded over 12 million times a week. The blast radius wasn't OpenAI. The blast radius was the registry.

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