In accordance with PANews, on December 27, attackers exploited a vulnerability in the Flow execution layer, transferring approximately $3.9 million in assets out of the network before validators could coordinate a stop. The attack did not affect existing user balances, and all user deposits remain intact. A protocol fix has been developed and released, with node operators coordinating the upgrade deployment. The network will roll back to a checkpoint before the exploit to remove unauthorized transactions.
Flow Network Hit by $3.9M Hack, User Deposits Unaffected
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Summary
A crypto hack struck the Flow network on December 27, with attackers draining $3.9 million via a vulnerability in the execution layer. Validators failed to stop the unauthorized transfers before they occurred. User balances and deposits remain untouched. A protocol fix has been deployed, with node operators rolling out the network upgrade. The network will roll back to a pre-exploit checkpoint to remove the malicious transactions.
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