Low Smart contract exploit Source: SlowMist Hacked Protocol report

Fractal Protocol hacked

Fractal Protocol's USDF vault on Arbitrum was exploited due to a smart contract logic flaw, resulting in the loss of approximately 13,700 USDC.e. The exploit involved a flash loan and re-entrant calls that manipulated accounting issues.

Estimated loss
$13,700
Protocols
Fractal Protocol, USDF, Aave V3, Balancer V2
Chains
Arbitrum
Confidence
High
First seen
22 May 2026, 00:00 UTC

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