Nostra Hit by $3.5M Exploit After NSTR Oracle Price Manipulation

AI Market Summary

Nostra's Starknet lending market was exploited via manipulated NSTR oracle prices, enabling a single account to borrow roughly $3.5M across ETH, STRK, USDC, USDT, WBTC and DAI. The attacker has already bridged about $1.92M to Ethereum, indicating rapid fund mobility and potential recovery challenges. The incident highlights oracle and collateral risk in Starknet DeFi, pressuring related ecosystem tokens and protocols.

Impact level

● Medium

Affected assets

STRK/USDT+5.06%

AI Insight · STRK/USDTAI Insight

▼ Bearish

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ChainCatcher reported that PeckShieldAlert flagged an exploit on Nostra's lending market on Starknet, triggered by manipulation of the NSTR oracle price. The attacker used NSTR as collateral to borrow about $3.5 million worth of ETH, STRK, USDC, USDT, WBTC, and DAI from a single account. The funds have since been partially bridged to Ethereum, with roughly $1.92 million moved so far, including 234.57 ETH and 1.3 million DAI.

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