Inverse Finance Frontier Hack

TOTAL LOST $5.8M
Medium Flashloan Price Oracle Attack ethereum

Summarize with AI

Affected Chain ethereum Incident surface
Recovered - No recovery reported
All-Time Rank #410 By amount stolen
Protocol Type CDP Target category

Incident Overview

DeFi Summer was just the beginning. Meet Inverse, part of the new wave of decentralized banking & finance. From a capital-efficient money market, to tokenized synthetic assets, legacy finance is about to be invaded.

Incident Report

Protocol / Project Inverse Finance Frontier
Date of Incident
Affected Chain(s) ethereum
Attack Technique Flashloan Price Oracle Attack
Classification Ecosystem
Primary Source View Post-Mortem

Protocol Information

Protocol Type CDP
Smart Contract Language Solidity
Official Website inverse.finance/
Protocol Twitter/X @InverseFinance

Market Context at Time of Hack

Token Categories
DeFi DAO Ethereum Ecosystem Yield Aggregator Lending & Borrowing Olympus Pro Ecosystem

What the Attacker Needed to Succeed

Understanding the prerequisites for this type of attack helps auditors identify protocols that are most at risk and helps developers build better defenses.

Technical Knowledge Deep understanding of flashloan price oracle attack and Solidity and EVM internals
Capital Required Seed capital to cover gas and initial position setup
On-Chain Access Ability to interact with ethereum smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in Inverse Finance Frontier's contract logic - root cause: ecosystem
Execution Speed Precise transaction ordering and timing to exploit the vulnerability within a single atomic block
Obfuscation Plan A strategy to launder and move stolen funds - typically through mixers, cross-chain bridges, or decentralized DEX swaps to resist tracing

What Auditors Should Check

Could this have been caught in audit? Yes — skilled auditors routinely flag Flashloan Price Oracle Attack vulnerabilities in code review

If you're auditing a protocol with similar architecture to Inverse Finance Frontier, these are the critical security checks that could have prevented this incident (June 2022).

  • Verify all logic paths related to Flashloan Price Oracle Attack are guarded by proper access controls and input validation - see the Flash Loans Attacks attack class for patterns
  • Audit oracle price feeds for manipulation risks - ensure time-weighted average prices (TWAPs) or multi-source aggregators are used, not spot prices
  • Review privileged functions (owner, admin, governance) for potential abuse vectors - centralization risks should be documented and bounded with timelocks or multi-sigs

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Related Attack Classes

The technique used in this hack maps to these vulnerability classes in our security curriculum:

See all Flash Loans Attacks examples →

Sources & References

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