ether.fi Loses 15.45 ETH Due to AtomicQueue Contract Access Control Vulnerability

The ether.fi AtomicQueue contract was exploited due to a missing access control in the solve() function, leading to the theft of approximately 15.45 ETH. Attackers used updateAtomicRequest() to create malicious requests, abusing existing ERC-20 approvals to transfer funds. SlowMist has disclosed the vulnerability and the attacker's address.