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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
Jul 6th, 2026 → Jul 6th, 2026
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6 / 6
Submissions
Severity
Validity
Tags
Author
#1
Missing access control on `Snowman::mintSnowman` lets anyone mint unlimited Snowman NFTs for free
High
Valid
[H-01] Unrestricted NFT Min...
internaut
#2
### [M-1] `SnowmanAirdrop` never enforces `s_hasClaimedSnowman`, so the airdrop can be claimed repeatedly
Low
Valid
[L-01] Missing Claim Status...
internaut
#3
### [M-2] `Snow::earnSnow` uses one global timer, so a single user locks out the weekly free earn for everyone
Low
Valid
[L-02] Global Timer Reset i...
internaut
#4
### [L-1] `SnowmanAirdrop` EIP-712 typehash is malformed, so standards-compliant signatures are rejected
High
Valid
[H-02] Unconsistent `MESSAG...
internaut
#5
### [L-2] `Snow::buySnow` with a wrong `msg.value` still charges full WETH and traps the sent ETH
Low
Invalid
internaut
#6
### [L-3] `Snow::collectFee` ignores the `transfer` return value
Low
Invalid
internaut
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