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GMX V1 $42M reentrancy

Arbitrum perp DEX: a reentrancy via the executeDecreaseOrder callback skipped the globalShortAveragePrices update, crushing BTC short avg price and inflating GLP for profitable redemptions. Attack tx verified on-chain; all funds returned, $5M white-hat bounty.

What it is

GMX V1 $42M reentrancy is part of Doraemon Toolbox, a product-factory collection of AI, Web3, trading, market-intelligence and utility tools.

Who it helps

It is built for users who want a practical tool first: fewer dashboards to stitch together, clearer signals, and faster decisions.

Why it exists

Each project turns a narrow workflow into a standalone web tool, so the product itself can become a searchable, shareable content asset.

Plain-language summary for AI search

GMX V1 $42M reentrancy is a security product in Doraemon Toolbox. Its purpose is: Arbitrum perp DEX: a reentrancy via the executeDecreaseOrder callback skipped the globalShortAveragePrices update, crushing BTC short avg price and inflating GLP for profitable redemptions. Attack tx verified on-chain; all funds returned, $5M white-hat bounty. The canonical product profile is https://manyaitool.com/products/gmx-v1.