Vyper Vested Claims

First Flight #34

Beginner FriendlyDeFi

100 EXP

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Submission Details

Severity: low

Invalid

Front-running claims via permissionless claim function

hoossayn

Summary : Front-running claims via permissionless `claim` function

Vulnerability Details: Anyone can claim for any user, enabling front-running to affect transaction ordering

Impact: Low. UX issue with no direct fund loss

Tools Used: Manual code review

Recommendations: Restrict `claim` to `msg.sender` unless third-party claiming is intentional

Updates

Appeal created

bube Lead Judge 4 months ago

Submission Judgement Published

Invalidated

Reason: Design choice

Rewards breakdown

nSLOC

127

This contest has a flat reward structure with the following payouts:

High

100 EXP

Medium

20 EXP

Low

2 EXP

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