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Snowman Merkle Airdrop
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AI First Flight
Snowman Merkle Airdrop
AI First Flight #10
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Mar 12th, 2026 → Mar 12th, 2026
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5 / 5
Submissions
Severity
Validity
Tags
Author
#1
Unprotected mintSnowman function allows anyone to mint arbitrary amounts of Snowman NFTs for free
High
Valid
[H-01] Unrestricted NFT Min...
hxsirago
#2
Global s_earnTimer causes permanent Denial of Service for free Snow farming
High
Invalid
hxsirago
#3
Missing replay protection enables infinite claiming of NFTs via ECDSA Signature Replay
Low
Valid
[L-01] Missing Claim Status...
hxsirago
#4
buySnow uses incorrect precision math, inflating the cost of tokens by 1e18 and making purchases impossible
High
Invalid
hxsirago
#5
payable fallback logic in buySnow traps unmatched ETH value and double-charges users in WETH
Medium
Invalid
hxsirago
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