Ethereum unverified contract vulnerability causes $983000 loss

According to BlockSec Phalcon monitoring, unverified contracts 0x143a... 81a on the Ethereum chain have a vulnerability in the execute () function due to a lack of permission control verification, resulting in a loss of approximately $983000. The attacker used the unlimited yvWETH limit authorized by the victim address 0x9828... 5afe to steal 384.67 yvWETH and liquidate approximately 429.2 ETH.