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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 3rd, 2026 → Jun 10th, 2026
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6 / 6
Submissions
Severity
Validity
Tags
Author
#1
Reentrancy in refund() allows a malicious entrant to drain all contract funds
High
Valid
[H-02] Reentrancy Vulnerabi...
smurfetc
#2
Weak on-chain randomness in selectWinner() lets attackers predict and force the winner and rarity
High
Valid
[H-03] Randomness can be gamed
smurfetc
#3
uint64 overflow / unsafe cast of totalFees corrupts fee accounting and bricks withdrawFees
High
Valid
[H-05] Typecasting from uin...
smurfetc
#4
O(n^2) duplicate check in enterRaffle causes DoS and unfair escalating gas
Medium
Valid
[M-01] `PuppyRaffle: enterR...
smurfetc
#5
withdrawFees strict balance check can be permanently bricked by force-feeding ETH
Medium
Valid
[M-02] Slightly increasing ...
smurfetc
#6
selectWinner reverts when the selected winner is a contract that cannot receive ETH or the ERC721
Low
Invalid
smurfetc
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