Hack history / 2023 / Hack or exploit
WiseLending
Hack or exploit on Oct 13, 2023 · Rounding Error
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$260K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,370
among thefts by dollars lost
What happened
WiseLending was exploited through a flash loan attack that leveraged rounding errors in the _calculateShares function. The attacker used strategic deposits and withdrawals to artificially inflate share prices, with a white-hat MEV bot front-running the exploit to recover funds.
Details
- Date
- Oct 13, 2023
- Kind
- Hack or exploit
- Method
- Rounding Error
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
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Cite this page
SwanBluechip, "WiseLending hack, Oct 13, 2023: $260K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht0367ea0738/ (data as of 2026-11-01).