Aave Says LayerZero Bridge Attack Released 116,500 rsETH on April 18, Blames RPC Poisoning

AAVE-1.93%
ZRO0.08%
ETH-1.89%
ARB-1.4%
According to Aave's postmortem on X, the April 18 Kelp rsETH bridge attack was caused by RPC poisoning targeting LayerZero's single validator, not a protocol flaw. The attacker forged a cross-chain message, triggering the release of 116,500 rsETH on Ethereum without actual token destruction on Unichain. The stolen rsETH was deposited into Aave V3 on Ethereum and Arbitrum, where approximately 82,650 WETH and 821 wstETH were borrowed. Aave's Protocol Guardian and Risk Steward implemented protective measures. Services have since been restored: rsETH was burned on Arbitrum, LayerZero OFT adapters were fully replenished, and Kelp reopened withdrawals and bridging functions.
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