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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
Sep 15th, 2026 → Sep 16th, 2026
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6 / 6
Submissions
Severity
Validity
Tags
Author
#1
Snowman::mintSnowman() lacks access control, allowing unlimited unauthorized NFT minting
High
Valid
[H-01] Unrestricted NFT Min...
foxcryptie
#2
SnowmanAirdrop::claimSnowman() never checks s_hasClaimedSnowman, allowing repeat claims from a single Merkle leaf
Low
Valid
[L-01] Missing Claim Status...
foxcryptie
#3
s_earnTimer is a single global slot, letting anyone permanently grief earnSnow() for free via buySnow(0)
Low
Valid
[L-02] Global Timer Reset i...
foxcryptie
#4
Snow::buySnow() strict msg.value equality traps overpaid ETH with no refund path
Low
Invalid
foxcryptie
#5
Snow::collectFee() uses raw unsafe transfer and sweeps the entire ETH/WETH balance, including non-fee funds
Low
Invalid
foxcryptie
#6
Low/Informational: dead code, single-step collector change, and claim-flow edge cases (typehash typo, balance-bound signatures, unused storage)
High
Valid
[H-02] Unconsistent `MESSAG...
foxcryptie
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