Glassnode
Aave V3 shed roughly $4.0 billion in available liquidity inside 29 hours after the Kelp DAO rsETH bridge exploit triggered a withdrawal cascade, according to a post-mortem published by glassnodes.
WETH utilization on the protocol spiked to 100% within 1.4 hours of the initial bridge incident — seven hours before the Protocol Guardian multisig moved to freeze affected markets. By the time the freeze landed, the lending side had already been drained of usable liquidity.
Why it matters
The exploit was not in Aave's lending contracts. The rsETH depeg crossed the bridge, and Aave's markets treated rsETH collateral as impaired in real time. The seven-hour gap between full utilization and the Guardian freeze is the structural beat: oracle-driven risk engines reacted to the price signal, but the governance pause lagged the on-chain reality by a full session of trading volume.
Market impact
Liquidity providers absorbed the exit, and the effective cost of borrowing WETH on Aave V3 reset sharply as utilization pinned at 100%. Any borrower reliant on those markets during the freeze window was effectively locked out until governance could unwind. The incident is the second large bridge-to-lending cascade in two years and sharpens the spotlight on how cross-chain collateral assumptions translate into single-chain liquidation paths.
Frequently asked questions
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What happened in the Aave V3 liquidity event?
Roughly $4.0B in available liquidity left Aave V3 inside 29 hours after the Kelp DAO rsETH bridge exploit, per a glassnodes post-mortem. WETH utilization hit 100% within 1.4 hours of the incident.
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Did Aave's smart contracts get hacked?
No. The lending contracts held throughout. The exploit originated on the Kelp DAO rsETH bridge; the resulting depeg propagated into Aave's markets as a collateral price signal.
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Why did WETH utilization spike before the Protocol Guardian freeze?
Aave's oracle-driven risk engine reacted to the rsETH price signal in real time, pushing WETH utilization to 100% within 1.4 hours. Governance moved to freeze affected markets seven hours later.
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What does a 100% utilization rate mean for borrowers?
When utilization pins at 100%, available liquidity is exhausted and new borrows effectively cannot clear at stable rates. Borrowers on those markets during the freeze window were locked out until governance unwound the pause.
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Is this the first bridge-to-lending cascade of its kind?
It is the second large bridge-to-lending cascade in roughly two years, reinforcing concerns about how cross-chain collateral assumptions translate into single-chain liquidation paths on lending venues like Aave V3.
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