According to CryptoSlate, Ethereum consensus client Lighthouse released a v8.3.3 security update on November 9, urging both staking and non-staking users to upgrade their beacon nodes as soon as possible. Updates for staking users' validator clients are of low priority and can be included in regular update cycles. Technical details of the vulnerability will be disclosed after operators have had time to upgrade. The release notes reported no ongoing exploits or loss of funds.