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Puppy Raffle
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AI First Flight
Puppy Raffle
AI First Flight #1
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Jun 13th, 2026 → Jun 14th, 2026
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7 / 7
Submissions
Severity
Validity
Tags
Author
#1
Reentrancy in refund() lets a single player drain the entire contract balance
High
Valid
[H-02] Reentrancy Vulnerabi...
nexus0ps
#2
Weak on-chain randomness lets a participant choose the winner and the puppy rarity
High
Valid
[H-03] Randomness can be gamed
nexus0ps
#3
Unsafe uint64 cast on totalFees silently truncates and permanently locks fees
High
Valid
[H-05] Typecasting from uin...
nexus0ps
#4
O(n^2) duplicate check in enterRaffle enables denial of service
Medium
Valid
[M-01] `PuppyRaffle: enterR...
nexus0ps
#5
A winner that rejects ETH permanently bricks selectWinner()
Medium
Invalid
nexus0ps
#6
Refunded ghost slots inflate the prize and corrupt fee accounting
Medium
Invalid
nexus0ps
#7
withdrawFees() is permanently grief-able with a forced ETH transfer
Medium
Valid
[M-02] Slightly increasing ...
nexus0ps
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