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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 6th, 2026 → Sep 12th, 2026
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5 / 5
Submissions
Severity
Validity
Tags
Author
#1
`Snowman::mintSnowman` has no access control, letting anyone mint unlimited NFTs to any address, bypassing the Merkle airdrop entirely
High
Valid
[H-01] Unrestricted NFT Min...
summus
#2
`SnowmanAirdrop::claimSnowman` never reads `s_hasClaimedSnowman`, so a claim can be replayed indefinitely with the same proof and the same signature
Low
Valid
[L-01] Missing Claim Status...
summus
#3
Global `Snow::s_earnTimer` and a free `buySnow(0)` call let anyone permanently block weekly `Snow` farming for every user
Low
Valid
[L-02] Global Timer Reset i...
summus
#4
Malformed EIP-712 type string in `SnowmanAirdrop::MESSAGE_TYPEHASH` makes every wallet-produced signature invalid, breaking claims
High
Valid
[H-02] Unconsistent `MESSAG...
summus
#5
`SnowmanAirdrop::claimSnowman` builds the Merkle leaf from the live `Snow` balance, so 1 unit of dust permanently blocks a claim
Medium
Valid
[M-01] DoS to a user trying...
summus
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