Oracle provider Pragma classified 6 of 22 mainnet price feeds as critical risk in a September 18 assessment, following a $3.5 million borrowing exploit at Nostra, a lending protocol on Starknet. The attack exploited a manipulated NSTR oracle price that allowed one account to borrow approximately $3.5 million of other assets against NSTR collateral. BROTHER, DAI, EKUBO, LORDS and NSTR were placed in the critical category, with sell-quote deterioration ranging from 15% to 22% for quantities valued at $10,000 by the oracle. Nostra paused lending, borrowing, withdrawals and liquidations, leaving final losses and potential recoveries still unknown.
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