Decentralized exchange AirSwap has a smart contract vulnerability that has been fixed

According to The Block, Ethereum decentralized exchange AirSwap found a smart contract vulnerability that allowed an attacker to trade tokens directly without the need for a counterparty confirmation. According to the AirSwap team, the vulnerability only appeared in its system for less than 24 hours, 10 of which were identified as "at risk." After identifying the vulnerability, the AirSwap team performed a rollback and contacted the appropriate user for remediation.