VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
Root cause
Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.
▰ PROOF OF CONCEPT
DEFIHACKLABS
src/test/2025-04/ImpermaxV3_exp.sol
view forked test on github ↗Reproducible Foundry test fork from SunWeb3Sec/DeFiHackLabs. Clone the repo, run forge test against the file path above, and replay the exploit against a mainnet fork at the historical block. Use for reproduction only — not for live targets.
Forensic narrative
Impermax was attacked on the Base network. In a tweet, Impermax stated that someone launched a flash loan attack and drained its V3 liquidity pools. The team is currently investigating and advises users not to interact with any V3 pools. Attack method (per SlowMist): Flash Loan Attack. Reported loss: $ 400,000.
Sourced from
slowmist
Technical record
- chain
- base
- protocol
- Impermax
- bug_class
- flashloan
- date_occurred
- 2025-04-26
- loss_usd
- $400,000
- source_id
- sm:impermax::2025-04-26
Related — same bug class· flashloan