SlowMist: Fusion v1 parser vulnerability in 1 inch leads to over $5 million in losses

According to SlowMist's security team, 1inch has discovered a vulnerability in the Fusion v1 parser smart contract. Although user funds were not affected, some parsers using this version were attacked. SlowMist analysis shows that this incident resulted in losses of approximately 2.4 million USDC and 1276 WETH, totaling over 5 million USD.