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Puppy Raffle
Submissions
AI First Flight
Puppy Raffle
AI First Flight #1
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Apr 6th, 2026 → Apr 8th, 2026
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10 / 10
Submissions
Severity
Validity
Tags
Author
#1
Reentrancy in refund() Allows Full Contract Drain
High
Valid
[H-02] Reentrancy Vulnerabi...
sergios
#2
Weak Randomness Allows Attacker to Predict and Guarantee Winning
High
Valid
[H-03] Randomness can be gamed
sergios
#3
O(n²) Duplicate Check Enables Gas DoS on enterRaffle()
Medium
Valid
[M-01] `PuppyRaffle: enterR...
sergios
#4
selfdestruct Force-Feed Permanently Bricks withdrawFees()
Medium
Valid
[M-02] Slightly increasing ...
sergios
#5
totalFees Overflow Causes Silent Loss of All Fee Revenue
High
Valid
[H-05] Typecasting from uin...
sergios
#6
Refunded Player Slot Becomes address(0) and Can Freeze the Raffle Forever
High
Valid
[H-04] `PuppyRaffle::refund...
sergios
#7
getActivePlayerIndex Returns 0 for Both Index-0 Player and Non-Members, Causing Silent Refund Failures
Low
Valid
[L-01] Ambiguous index retu...
sergios
#8
enterRaffle Accepts Empty Player Array with Zero ETH, Enabling Free Event Spam and State Pollution
Medium
Invalid
sergios
#9
feeAddress Is Never Validated Against address(0), Permanently Locking All Protocol Fees
Low
Invalid
sergios
#10
Dead Internal Function _isActivePlayer Is Never Called, Increasing Audit Surface and Deployment Cost
Low
Invalid
sergios
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