Goose Finance Hack

TOTAL LOST $8K
Low Share Accounting Flaw bsc

Summarize with AI

Affected Chain bsc Incident surface
Recovered - No recovery reported
All-Time Rank #1951 By amount stolen
Auditors 2 Prior security audits

Incident Overview

2nd generation yield farming on binance smart chain

Incident Report

Protocol / Project Goose Finance
Date of Incident
Affected Chain(s) bsc
Attack Technique Share Accounting Flaw
Classification Protocol Logic
Primary Source View Post-Mortem

Protocol Information

Protocol Type Farm
Smart Contract Language Solidity
Protocol Twitter/X @Goosedefi

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 share accounting flaw and Solidity and EVM internals
Capital Required Seed capital to cover gas and initial position setup
On-Chain Access Ability to interact with bsc smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in Goose Finance's contract logic - root cause: protocol logic
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? Likely — with a thorough Share Accounting Flaw audit checklist and test coverage
Audited by Audit Report 1, Audit Report 2 — still lost $8K. Prior audits don't guarantee safety, especially after post-audit code changes.

If you're auditing a protocol with similar architecture to Goose Finance, these are the critical security checks that could have prevented this incident (March 2026).

  • Verify all logic paths related to Share Accounting Flaw are guarded by proper access controls and input validation
  • 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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Security Audit History

Sources & References

Learn to Prevent the Next Goose Finance

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