Bungee Exchange and SocketDotTech are likely being exploited, with several millions believed to be gone already.
Users have been asked to revoke all approvals.
This address has been highlighted as being involved in the attack, with users asked to revoke it as it shows up as Socket: Gateway on Etherscan.
So far it looks like only the mainnet has been exploited, but users are asked to revoke all addresses as a precaution.