Security Incident · Arbitrum Ecosystem
Ostium Private Key Leak: $18.00M Reported Loss
Ostium, an RWA-focused perpetuals DEX on Arbitrum, suffered an oracle manipulation exploit.
- Reported loss
- $ 18,000,000
- Attack category
- Private Key Leakage
Incident Overview
The attacker used a compromised oracle signer key to submit fraudulent future-dated price reports, generating artificial trading profits and draining approximately $18 million USDC from the liquidity vault. The protocol has halted trading and is investigating.
Sources & References
This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.