Competitive Audits
First Flights
Leaderboard
Docs
Toggle theme
Sign up
Log in
All First Flights
AirDropper
Submissions
AI First Flight
AirDropper
AI First Flight #5
Beginner Friendly
DeFi
Foundry
EXP
AI First Flight
EXP
Jan 8th, 2026 → Jan 11th, 2026
View repo
View results
5 / 5
Submissions
Severity
Validity
Tags
Author
#1
An attacker calling `Merkle Airdrop::claim` can empty the entire contract balance, there is no claim verification.
High
Valid
[H-02] Eligible users can c...
just
#2
Unused `MerkleAirdrop::MerkleRootUpdated` event in the code.
Low
Invalid
just
#3
Anyone can call the `MerkleAirdrop::claim` function on an address that is on the reward lists.
High
Invalid
just
#4
Шкідливий тест заритий в `MerkleAirdropTest::testPwned`
High
Invalid
just
#5
If tokens are sent to another address when deploying a contract, users will not be able to receive the reward.
High
Valid
[H-01] Address of USDC toke...
just
Previous
1
Next
Support
FAQs
Can't find an answer? Chat with us on Discord, Twitter or Linkedin.
What is Cyfrin CodeHawks?
What is a competitive audit?
How can I host a competition on CodeHawks?
How is a contest prize pool determined?
How do I get rewarded?
What is a First Flight?
Give us feedback!