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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
Oct 22nd, 2026 → Oct 29th, 2026
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7 / 7
Submissions
Severity
Validity
Tags
Author
#1
Missing access control in Snowman::mintSnowman lets anyone mint unlimited reward NFTs
High
Invalid
ward0x
#2
claimSnowman never reads s_hasClaimedSnowman, so the claim-once invariant is unenforced
Medium
Invalid
ward0x
#3
Snow::s_earnTimer is a single global timer, letting one caller grief-DoS weekly earnSnow for all users
Low
Invalid
ward0x
#4
Unbounded mint loop (loop count = raw Snow balance) makes claimSnowman revert out of gas
Medium
Invalid
ward0x
#5
buySnow keeps mismatched non-zero ETH with no refund while also pulling full WETH
Low
Invalid
ward0x
#6
Malformed EIP-712 type string (misspelled addres + extra spaces) rejects claims signed by standard wallets
Low
Invalid
ward0x
#7
collectFee ignores the WETH transfer return value (unchecked ERC20, inconsistent with SafeERC20 used elsewhere)
Low
Invalid
ward0x
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