Slow Mist: A flaw in the old version of 1inch Fusion contract causes a loss of over 5 million US dollars

The 1inch team discovered a vulnerability in its old version Fusion v1 parser smart contract. According to the analysis by the SlowMist security team, this incident resulted in a loss of about 2.4 million USDC and 1276 WETH, totaling over 5 million USD. The official confirmed that this vulnerability does not affect end-user funds, and only those who use the Fusion v1 parser contract are affected. Measures have been taken by 1inch and they are continuously following up on the security situation.