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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
Jan 29th, 2026 → Jan 31st, 2026
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10 / 10
Submissions
Severity
Validity
Tags
Author
#1
Typo in MESSAGE_TYPEHASH Completely Breaks Signature Verification
High
Valid
[H-02] Unconsistent `MESSAG...
vikramgoutham289
#2
Missing Access Control on mintSnowman Allows Unlimited NFT Minting
High
Valid
[H-01] Unrestricted NFT Min...
vikramgoutham289
#3
Dynamic Balance in Merkle Verification Causes Claim Failures
Medium
Valid
[M-01] DoS to a user trying...
vikramgoutham289
#4
No Check for Already Claimed Status Allows Multiple Claims
Low
Valid
[L-01] Missing Claim Status...
vikramgoutham289
#5
Global Earn Timer Blocks All Users From Free Token Claims
Low
Valid
[L-02] Global Timer Reset i...
vikramgoutham289
#6
buySnow Resets Global Earn Timer Blocking Free Claims
Low
Valid
[L-02] Global Timer Reset i...
vikramgoutham289
#7
Missing safeTransfer for WETH in collectFee
High
Invalid
vikramgoutham289
#8
ETH/WETH Payment Logic Allows Partial ETH to Be Stuck
Medium
Invalid
vikramgoutham289
#9
No Nonce in Signature Allows Permanent Signature Validity
Medium
Invalid
vikramgoutham289
#10
Unbounded Loop in mintSnowman Can Cause DoS
Medium
Invalid
vikramgoutham289
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