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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
Feb 11th, 2026 → Feb 15th, 2026
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8 / 8
Submissions
Severity
Validity
Tags
Author
#1
H01: refund() Reentrancy Drains Contract Balance
High
Valid
[H-02] Reentrancy Vulnerabi...
chargingfoxsec
#2
H02: Permanent DoS via Duplicate `address(0)` “Holes”
High
Valid
[H-04] `PuppyRaffle::refund...
chargingfoxsec
#3
H03: `selectWinner()` Can Revert by Selecting `address(0)`
High
Valid
[H-04] `PuppyRaffle::refund...
chargingfoxsec
#4
M01: O(n²) Duplicate Check Causes Gas-Based DoS
Medium
Valid
[M-01] `PuppyRaffle: enterR...
chargingfoxsec
#5
M02: Insecure RNG for Winner Selection (Predictable/Biasable)
High
Valid
[H-03] Randomness can be gamed
chargingfoxsec
#6
M03: Insecure RNG for Rarity (Biasable NFT Rarity)
High
Valid
[H-03] Randomness can be gamed
chargingfoxsec
#7
M04: `withdrawFees()` Can Be Permanently Locked via Forced ETH
Medium
Valid
[M-02] Slightly increasing ...
chargingfoxsec
#8
L01: NatSpec/Spec Contradiction About Duplicate Entrants
Low
Invalid
chargingfoxsec
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