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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
May 25th, 2026 → May 25th, 2026
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10 / 10
Submissions
Severity
Validity
Tags
Author
#1
Prize money sent to address(0) when refunded player index is selected as winner
High
Valid
[H-01] Potential Loss of Fu...
r0p
#2
Reentrancy in refund() enables full contract drain
High
Valid
[H-02] Reentrancy Vulnerabi...
r0p
#3
Randomness can be gamed — miner controls winner selection via block parameters
High
Valid
[H-03] Randomness can be gamed
r0p
#4
refund() replaces an index with address(0) which can cause selectWinner to always revert
High
Valid
[H-04] `PuppyRaffle::refund...
r0p
#5
Typecasting from uint256 to uint64 in selectWinner() leads to overflow and incorrect fee calculation
High
Valid
[H-05] Typecasting from uin...
r0p
#6
Overflow/Underflow vulnerability for any version before 0.8.0
High
Valid
[H-06] Overflow/Underflow v...
r0p
#7
Potential Front-Running Attack in selectWinner and refund Functions
High
Valid
[H-07] Potential Front-Runn...
r0p
#8
Gas extensive duplicate check leads to Denial of Service
Medium
Valid
[M-01] `PuppyRaffle: enterR...
r0p
#9
Dust ETH renders withdrawFees() function useless via strict balance equality
Medium
Valid
[M-02] Slightly increasing ...
r0p
#10
Impossible to win raffle if the winner is a smart contract without a fallback function
Medium
Valid
[M-03] Impossible to win ra...
r0p
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