Hack history / 2023 / Hack or exploit
Flooring Protocol
Hack or exploit on Dec 17, 2023 · Arbitrary External Call
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$1.6M
dollars at the time
Returned
none listed
as the sources state it
Rank
#771
among thefts by dollars lost
What happened
Flooring Protocol's contract upgrade introduced a vulnerability in its multicall mechanism that lacked proper context isolation. Attackers exploited this to call transferFrom on user NFT approvals without consent, stealing 36 Pudgy Penguins and 14 Bored Apes.
Details
- Date
- Dec 17, 2023
- Kind
- Hack or exploit
- Method
- Arbitrary External Call
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
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Dexible V2 2023 · Hack or exploit · $1.8M
Maestro 2023 · Hack or exploit · $500K
Pond0x 2023 · Hack or exploit · $2.2M
Hope Finance 2023 · Hack or exploit · $2M
Dexible V2 2023 · Hack or exploit · $1.8M
Maestro 2023 · Hack or exploit · $500K
Cite this page
SwanBluechip, "Flooring Protocol hack, Dec 17, 2023: $1.6M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht8363f9504e/ (data as of 2026-11-01).