Security
Ostium suffers $18 million exploit as oracle attack wave continues to hit DeFi
CoinDesk·July 15, 2026·1 min read
Ostium suffered an $18 million exploit after a hacker used the protocol's own price-reporting infrastructure to submit falsified future-dated oracle data. The attacker manufactured fake trading profits, triggering the payout. The incident adds to a wave of oracle attacks hitting DeFi protocols.
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