Hack history / 2022 / Hack or exploit
Auctus
Hack or exploit on Mar 26, 2022 · Arbitrary External Call
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$726K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,032
among thefts by dollars lost
What happened
Auctus options protocol had a beta contract allowing arbitrary low-level calls with controlled calldata. An attacker exploited this to drain approved user funds from wallets, targeting those who had granted unlimited approval to the contract.
Details
- Date
- Mar 26, 2022
- Kind
- Hack or exploit
- Method
- Arbitrary External Call
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
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Cite this page
SwanBluechip, "Auctus hack, Mar 26, 2022: $726K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht7aefc30fbe/ (data as of 2026-10-31).