As a fork of Kyber Swap, we can safely assume their audit is applicable for zkSwap.
For our mainnet launch, in order to bring maximum security for our users, we have also been audited by Solidproof with a high emphasis on zkSync compatibility. Solidproof team offered their deep expertise in zkEVMs and conducted a thorough review of all of our codebase. As a result, we are happy to announce that no critical issues were found in our smart contracts!
You may kindly find the Solidproof audit report here.