Kelp DAO Hack

REPORTED LOSS $293M
Critical Access Control arbitrum ethereum

What happened

On April 18, 2026, KelpDAO's rsETH bridge was attacked, resulting in the loss of 116,500 rsETH, valued at approximately $292 million at the time.

Case & protocol details

Classification Borrowing and Lending / Bridge & Cross-Chain
Protocol Type Exploit/Access control
Implementation language Solidity
Protocol Twitter/X @KelpDAO

How it happened

LayerZero's incident report says attackers compromised RPC infrastructure relied on by the sole configured verifier, enabling an attestation for a forged cross-chain message. With no independent second verifier required, the destination contract accepted the message and unlocked rsETH without a corresponding source-chain deposit.

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