Hack history / 2026 / Hack or exploit
Balancer V1
Hack or exploit on Sep 9, 2026 · Swap Logic Flaw
ONE SOURCE · 1 SOURCE
Lost
$250K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,389
among thefts by dollars lost
What happened
An attacker exploited a previously disclosed pricing vulnerability in deprecated Balancer V1 pools, extracting approximately $250,000. The attack was financed through flash loans and temporary collateral positions across three Aave V3 lending markets
Details
- Date
- Sep 9, 2026
- Kind
- Hack or exploit
- Method
- Swap Logic Flaw
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
Related incidents
Balancer V1 2026 · Hack or exploit · $234K
Balancer V2 2025 · Hack or exploit · $120.5M
Balancer V2 2023 · Hack or exploit · $238K
Balancer V2 2023 · Hack or exploit · $2M
Balancer 2023 · Hack or exploit · $11.9M
Balancer V2 2025 · Hack or exploit · $120.5M
Balancer V2 2023 · Hack or exploit · $238K
Balancer V2 2023 · Hack or exploit · $2M
Balancer 2023 · Hack or exploit · $11.9M
Cite this page
SwanBluechip, "Balancer V1 hack, Sep 9, 2026: $250K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htcf4db2caaf/ (data as of 2026-10-31).