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Hack history / 2023 / Hack or exploit

Jimbos Protocol

Hack or exploit on May 28, 2023 · Spot Price Manipulation

ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 5 SOURCES
Lost
$7.5M
sources: $7.5M to $8M
Returned
none listed
as the sources state it
Rank
#372
among thefts by dollars lost

What happened

On May 28, 2023, Jimbos Protocol on Arbitrum (launched <20 days prior) was exploited for 4,090 ETH via flashloan-enabled oracle manipulation. Attacker took $5.9M flashloan and manipulated JIMBO price to exploit shift/conversion logic lacking slippage protection.

Details

Date
May 28, 2023
Kind
Hack or exploit
Method
Spot Price Manipulation
How in
Price, oracle and governance
Target
DeFi protocol
Chains
Arbitrum, Ethereum
Audit (rekt.news)
unaudited

Reported by

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Cite this pageSwanBluechip, "Jimbos Protocol hack, May 28, 2023: $7.5M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htd510057891/ (data as of 2026-10-31).
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