Aave Faces Potential Losses of Up to $230 Million Following Kelp DAO Bridge Exploit

A recent exploit of the Kelp DAO and LayerZero bridge has put lending protocol Aave at risk of losing up to $230 million, depending on the resolution of the situation. The incident revolves around rsETH, a liquid restaking token issued by KelpDAO, which relies on a bridge mechanism to move tokens between blockchains. An attacker took advantage of this setup by creating a forged transfer message, resulting in the creation of new tokens without backing. The attacker then deposited these tokens into Aave as collateral and borrowed approximately $190 million in ETH and related assets. Aave Labs responded quickly to mitigate the risk by freezing rsETH markets and halting new borrowing. The outcome now depends on how Kelp handles the shortfall, with the potential for significant losses for Aave. The exploit highlighted weaknesses in Kelp's verification process using LayerZero, allowing the attacker to manipulate the system and extract value. The incident has raised concerns about the safety of interconnected DeFi infrastructure and has led to a significant withdrawal of funds from Aave.