Hyperliquid Bridge Rated High Risk With $6.57B TVL at Stake, Audit Finds

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A security assessment dated September 3, 2026, evaluated the Hyperliquid Bridge, a cross-chain protocol holding approximately $6.57 billion in total value locked across Ethereum and several Layer 2 networks. The audit, conducted by a senior DeFi security researcher, assigned the bridge an overall risk score of 7.4 out of 10, classifying it as high risk. Critical concerns include a partially centralized validator set, where 4 of 11 guardian keys are controlled by a single entity, making coordinated key compromise feasible. Additional high-severity vulnerabilities were identified in the bridge's smart contracts, including a re-entrancy flaw and weak Merkle proof verification that could enable replay attacks. Medium-risk issues around unguarded proxy upgrades and reliance on a single oracle relayer further compound the protocol's exposure to sophisticated exploits.

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