tl;dr;* This week, a Yearn periphery contract used to manage some treasury assets was compromised, resulting in a bricked Gnosis Safe. Yearn used EIP-1271 as a workaround to transfer assets from the bricked multisig to safety.* No user funds are affectedBackgroundYearn has a secondary multisig for limited operations, known as "yTrades", meant to be a fast-acting approver for performing one-off time-sensitive operations like swaps. This multisig was the victim of a complex attack this week whi...