What happened
Researchers report that BarnBridge suffered a governance attack on July 15, 2026, with approximately 776,600 USDC withdrawn using existing user approvals. The attacker installed a malicious implementation through the governance path.
How it happened
The cited reconstruction describes a malicious upgrade followed by transfers against historical approvals. The exact way the attacker obtained governance control remains unconfirmed.
Protocol details
Classification
Governance
Protocol Type
Yield Aggregator
Implementation language
Solidity
Protocol links
Website
@barn_bridge
Security review history
- HAECHI Audit View report
Evidence
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