Hack history / 2023 / Hack or exploit
Balancer V2
Hack or exploit on Aug 27, 2023 · Spot Price Manipulation
ATTACK TX CONFIRMED ON CHAININ REVIEWSOURCES DISAGREE ON DATE OR LOSS · 5 SOURCES
Lost
$2M
sources: $800K to $2.1M
Returned
none listed
as the sources state it
Rank
#681
among thefts by dollars lost
What happened
Balancer V2's boosted pools suffered a $893k-$979k exploit on August 27, 2023 via rate manipulation in linear pools (ERC4626). The attacker manipulated token conversion rates to drain liquidity.
In review: sources disagree on the loss.
Details
- Date
- Aug 27, 2023
- Kind
- Hack or exploit
- Method
- Spot Price Manipulation
- How in
- Price, oracle and governance
- Target
- DeFi protocol
- Chains
- Ethereum
- Audit (rekt.news)
- out of scope
Related incidents
Balancer V1 2026 · Hack or exploit · $250K
Balancer V1 2026 · Hack or exploit · $234K
Balancer V2 2025 · Hack or exploit · $120.5M
Balancer V2 2023 · Hack or exploit · $238K
Balancer 2023 · Hack or exploit · $11.9M
Balancer V1 2026 · Hack or exploit · $234K
Balancer V2 2025 · Hack or exploit · $120.5M
Balancer V2 2023 · Hack or exploit · $238K
Balancer 2023 · Hack or exploit · $11.9M
Cite this page
SwanBluechip, "Balancer V2 hack, Aug 27, 2023: $2M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htac0ba978cb/ (data as of 2026-10-31).