Flash-loan oracle attack inflates CoreVault redemptions 33x, drains 160.26 BNB

An attacker on BNB Smart Chain borrowed big, bent a price feed, and walked off with the contents of an insurance pool An attacker used a flash loan to manipulate CoreVault’s price oracle on BNB Smart Chain, then drained the protocol’s InsurancePool of 160.26 BNB. CertiK’s security dashboard puts the haul at about $112,200. The pool built to cover losses ended up as the loss. The incident took place on November 4, 2026, and was flagged by TenArmorAlert’s on-chain monitoring. The attack reportedly inflated CoreVault redemptions by as much as 33 times before the funds left the InsurancePool. A flash loan is the key ingredient. Think of it as a bank that hands you millions with no paperwork, on one condition: you return it within the same transaction.

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