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Premia Vaults Drained of ~$437K in Arbitrum Exploit via Option Pool Routing

Phemex • November 1, 2026

Premia's vaults on Arbitrum suffered an exploit draining approximately $437,000, leaving little direct collateral remaining. Two transactions targeted six vaults in the attack.

According to Blockaid, the attacker routed collateral through option pools before withdrawing it as liquidity, exploiting the vault mechanics to extract funds.

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Premia Labs Exploit Results in $464K Loss via Arbitrum Options Vaults Premia Labs experienced a cryptocurrency exploit on November 1, 2026, resulting in a loss of approximately $464,600. The attacker utilized flash loans to create empty options pools, allowing them to withdraw collateral from six affected vaults on the Arbitrum network. The stolen assets were subsequently transferred to Ethereum and converted into Bitcoin using Chainflip and NEAR Intents. PeckShield and Blockaid provided estimates of the losses, with Blockaid initially reporting around $400,500 drained. The incident highlights vulnerabilities in decentralized finance, particularly regarding cross-chain asset transfers. Investigations are ongoing, and Premia Labs has not yet announced any recovery plans or reimbursements. 4 sources 55

Extracted Entities

Companies (2)

Arbitrum Premia