Flash Loan Attack
Security ThreatsUpdated: October 15, 2025
Also known as: Flash Loan Exploit, DeFi Attack
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Exploiting DeFi protocols using uncollateralized flash loans
Exploiting DeFi protocols using uncollateralized flash loans.
Flash loan attacks manipulate DeFi protocols by borrowing massive amounts without collateral, exploiting price oracle weaknesses, liquidity pool imbalances, or smart contract vulnerabilities to drain funds. The entire attack and repayment occur in one transaction.