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Snowman Merkle Airdrop
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AI First Flight
Snowman Merkle Airdrop
AI First Flight #10
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Oct 21st, 2026 → Oct 28th, 2026
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5 / 5
Submissions
Severity
Validity
Tags
Author
#1
Snowman.mintSnowman has no access control — anyone can mint unlimited NFTs
High
Invalid
rjrajputweb3
#2
claimSnowman derives the claim amount from the LIVE Snow balance — claims break whenever the balance changes after the Merkle tree is generated
Medium
Invalid
rjrajputweb3
#3
s_hasClaimedSnowman is set but never checked — the same proof + signature can be replayed for repeated claims
Low
Invalid
rjrajputweb3
#4
Snow.earnSnow uses a single GLOBAL timer — one user can block everyone's weekly earn forever
Medium
Invalid
rjrajputweb3
#5
Snow.buySnow double-charges users who send ETH — WETH is pulled AND the ETH is kept, with no refund
Low
Invalid
rjrajputweb3
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