highLogic errorEVM-Solidity
Union Finance: `borrow` must `accrueInterest` first
- Payout
- $0
- Protocol
- Union Finance
- Disclosed
- Aug 7, 2026
- Source
- code4rena
Union Finance's UToken.borrow validates a borrower's existing debt and credit limit against a stale global borrowIndex before calling accrueInterest(), which only updates the index afterward. In low-activity markets where interest accruals occur infrequently, …
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References
- https://github.com/code-423n4/2021-10-union-findings/issues/66
- https://github.com/code-423n4/2021-10-union-findings
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