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Snowman Merkle Airdrop
Submissions
AI First Flight
Snowman Merkle Airdrop
AI First Flight #10
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Nov 15th, 2026 → Nov 15th, 2026
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6 / 6
Submissions
Severity
Validity
Tags
Author
#1
Missing access control on Snowman::mintSnowman allows anyone to mint unlimited NFTs
High
Valid
[H-01] Unrestricted NFT Min...
sinfeel
#2
Global s_earnTimer lets one earnSnow/buySnow call block weekly free Snow for every user
Low
Valid
[L-02] Global Timer Reset i...
sinfeel
#3
buySnow keeps mismatched ETH and also pulls the full price in WETH, charging the buyer twice
Medium
Invalid
sinfeel
#4
s_hasClaimedSnowman is never checked and signatures have no nonce, allowing replay of claimSnowman
Low
Valid
[L-01] Missing Claim Status...
sinfeel
#5
Merkle leaf uses live balanceOf, so a dust transfer to the receiver makes claimSnowman revert
Medium
Valid
[M-01] DoS to a user trying...
sinfeel
#6
Malformed EIP-712 MESSAGE_TYPEHASH ("addres", extra spaces) rejects standard wallet signatures
High
Valid
[H-02] Unconsistent `MESSAG...
sinfeel
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