Hack history / 2023 / Hack or exploit
LeetSwap
Hack or exploit on Aug 1, 2023 · Improper Access Control
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 4 SOURCES
Lost
$624K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,075
among thefts by dollars lost
What happened
LeetSwap on Base lost ~$624K (~342 ETH) on August 1, 2023 when an attacker exploited the _transferFeesSupportingTaxTokens function lacking access controls to move LP fees and manipulate pool prices.
Details
- Date
- Aug 1, 2023
- Kind
- Hack or exploit
- Method
- Improper Access Control
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Base, Ethereum
Related incidents
Safemoon 2023 · Hack or exploit · $8.9M
Exactly 2023 · Hack or exploit · $7.5M
Terraport 2023 · Hack or exploit · $4M
Curve Finance MEV Bot 2023 · Hack or exploit · $2M
Atlantis Loans 2023 · Hack or exploit · $1.1M
Exactly 2023 · Hack or exploit · $7.5M
Terraport 2023 · Hack or exploit · $4M
Curve Finance MEV Bot 2023 · Hack or exploit · $2M
Atlantis Loans 2023 · Hack or exploit · $1.1M
Cite this page
SwanBluechip, "LeetSwap hack, Aug 1, 2023: $624K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htc1043908c5/ (data as of 2026-11-01).