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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
Jun 20th, 2026 → Jun 27th, 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...
iamsahara
#2
Airdrop double-claim: s_hasClaimedSnowman is set but never checked, allowing repeated NFT minting
Low
Valid
[L-01] Missing Claim Status...
iamsahara
#3
Snow weekly-earn timer is global, not per-user: one earn/buy blocks all users from earning for a week
Low
Valid
[L-02] Global Timer Reset i...
iamsahara
#4
Malformed EIP-712 typehash ("addres receiver") breaks standard signature-based claims
High
Valid
[H-02] Unconsistent `MESSAG...
iamsahara
#5
Airdrop claim uses live balanceOf in the merkle leaf: a 1-wei Snow transfer permanently bricks a recipient's claim
Medium
Valid
[M-01] DoS to a user trying...
iamsahara
#6
Unbounded loop in mintSnowman: airdrop allocations of ~904+ Snow can never be claimed (gas DoS)
Medium
Invalid
iamsahara
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