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Hack history / 2025 / Hack or exploit

Impermax V3

Hack or exploit on Nov 11, 2025 · Liquidation Logic Flaw

ONE SOURCE · 1 SOURCE
Lost
$380K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,239
among thefts by dollars lost

What happened

On November 11, 2025, Impermax V3 on Base suffered a $380K exploit. The attacker created tiny positions in low-liquidity cbBTC-tBTC pairs to push totalBalance toward zero, collapsing the exchange rate and enabling exponential minting of borrowable tokens. When totalBalance hit zero, all deposits were redirected to the attacker.

Details

Date
Nov 11, 2025
Kind
Hack or exploit
Method
Liquidation Logic Flaw
How in
Smart contract bug
Target
DeFi protocol
Chains
Base

Reported by

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Cite this pageSwanBluechip, "Impermax V3 hack, Nov 11, 2025: $380K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htbc8bf679dc/ (data as of 2026-10-31).
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