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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 27th, 2026 → Mar 4th, 2026
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9 / 9
Submissions
Severity
Validity
Tags
Author
#1
EIP-712 Typehash Has Typo — "addres" Instead of "address"
High
Valid
[H-02] Unconsistent `MESSAG...
xrave110
#2
Snowman.mintSnowman() Has No Access Control — Anyone Can Mint NFTs
High
Valid
[H-01] Unrestricted NFT Min...
xrave110
#3
Snow.buySnow() ETH/WETH Path Logic Flaw — Trapped ETH & Silent Fallthrough
High
Invalid
xrave110
#4
Snow.s_earnTimer Is Global, Not Per-User - Shared Cooldown Breaks Earning
Low
Valid
[L-02] Global Timer Reset i...
xrave110
#5
claimSnowman() Never Checks s_hasClaimedSnowman - Double-Claim Possible
Low
Valid
[L-01] Missing Claim Status...
xrave110
#6
claimSnowman() Reads balanceOf Multiple Times (TOCTOU)
Low
Invalid
xrave110
#7
Snow.collectFee() Uses .transfer() Not .safeTransfer() for WETH
Medium
Invalid
xrave110
#8
Snow.collectFee() DoS if Collector Rejects ETH
Medium
Invalid
xrave110
#9
Unbounded Loop in Snowman.mintSnowman()
Low
Invalid
xrave110
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