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Vercel patches AI SDK flaw that turned 7.5 KB into 53.9 MB

Vercel says its validator built a full union error tree for each of 2,500 bad parts. The patch reports the first failure instead.

By RuntimeWire Staff · Published Nov 13th, 2026, 6:42pm CT

A large pile of loose papers sits beside a crumpled paper ball, with a dashed arrow pointing toward the pile.

Vercel says its validator built a full union error tree for each of 2,500 bad parts. The patch reports the first failure instead.

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