0x flags Uniswap v4 hook security gaps after review of 84,163 contracts across six chains
AI Market Summary
0x research flags systemic execution risk from Uniswap v4 hooks: across 84,163 hooks on six chains, only 19.4% were labeled safe, while 54.2% were deemed malicious and 26.4% likely malicious. Hooks can alter pool fees, pricing, and settlement logic, enabling quote/settlement divergence and selective fee extraction. The findings raise near-term risk premia for hook-enabled DEX liquidity and routing, pressuring DeFi confidence.
Impact level
● Medium
Affected assets
ETH/USDT-0.85%
AI Insight · ETH/USDTAI Insight
▼ Bearish
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0x said Uniswap v4 hooks pose significant security risks, after analyzing 84,163 hooks across six chains. It classified 19.4% as safe, while 54.2% were labeled malicious and 26.4% likely malicious. The external contracts can alter pool fees, pricing and execution logic, and the dataset recorded 6,516 fills and 3,946 fee charges—highlighting systemic risks when DeFi protocols depend on outside components.
