Gate News: On March 11, Chaos Labs analysis revealed that the recent liquidation of approximately $27 million on Aave was caused by a configuration issue with the CAPO risk oracle. The root cause was inconsistent update constraints at the smart contract level: the snapshotRatio parameter is limited to a 3% increase every 3 days on-chain, preventing it from directly updating from about 1.1572 to the target value of approximately 1.2282, and can only be increased to around 1.1919; meanwhile, the snapshotTimestamp was successfully updated to a timestamp from 7 days ago. This mismatch between ratio and timestamp caused the CAPO-calculated exchange rate ceiling (about 1.1939) to be roughly 2.85% below the actual market rate, triggering the liquidation of about 10,938 wstETH. The protocol did not incur bad debt in this event. Chaos Labs and BGD Labs immediately lowered the wstETH borrowing limit for affected instances to 1 and manually aligned parameters through Risk Steward to restore the exchange rate. Through BuilderNet, 141.5 ETH has been recovered to compensate affected users, with the remaining amount covered by the Aave treasury. The estimated temporary compensation amount by the DAO is not expected to exceed 345 ETH.
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