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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
Feb 19th, 2026 → Feb 19th, 2026
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6 / 6
Submissions
Severity
Validity
Tags
Author
#1
`mintSnowman` Allows Unrestricted NFT Minting, Bypassing Entire Airdrop Mechanism
High
Valid
[H-01] Unrestricted NFT Min...
kivanov
#2
`SnowmanAirdrop` Uses Incorrect EIP712 Type Hash Due to `addres` Typo, Breaking Signature Verification
High
Valid
[H-02] Unconsistent `MESSAG...
kivanov
#3
`buySnow` Traps User ETH When `msg.value` Doesn't Match Fee, Causing Double Payment
Medium
Invalid
kivanov
#4
Global `s_earnTimer` in `Snow` Allows Any Buyer to Block Free Minting for All Users
Low
Valid
[L-02] Global Timer Reset i...
kivanov
#5
`s_hasClaimedSnowman` Mapping Is Set But Never Checked, Enabling Double Claims
Low
Valid
[L-01] Missing Claim Status...
kivanov
#6
`collectFee` Uses Unchecked `transfer()` Instead of `safeTransfer()` for WETH, Risking Silent Fee Loss
Low
Invalid
kivanov
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