Arbitrum2026-07-13 10:57:42Blockaid flags attack on Lumi Finance on Arbitrum, about $270,000 moved outLumi Finance, a protocol on Arbitrum, is currently under attack, according to monitoring cited by ChainCatcher from blockchain security firm Blockaid. Roughly $270,000 has already been transferred out at the time of the alert. The brief update did not include technical details about the exploit, the destination of the funds, or any response from the project team. With the available source limited to the initial monitoring notice, no additional impact, cause, or timeline beyond the reported outflow was disclosed.1870
Blockaid2026-07-13 10:54:56Blockaid says Lumi Finance on Arbitrum appears under attack, with about $270,000 lostSecurity firm Blockaid said Lumi Finance, a protocol on Arbitrum, appears to be under attack, with losses so far estimated at about $270,000. According to Blockaid, the issue stems from a side effect tied to token approvals during UserOp verification in Sodium smart accounts. The attacker was able to control the paymaster and spender, then obtain approval allowances from a large number of accounts before withdrawing funds. Blockaid added that the incident was still ongoing at the time of its update. The statement was posted on X and did not indicate that the attack had been contained.1710
