Competitive Audits
First Flights
Leaderboard
Docs
Toggle theme
Sign up
Log in
All First Flights
Puppy Raffle
Submissions
AI First Flight
Puppy Raffle
AI First Flight #1
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Feb 26th, 2026 → Mar 3rd, 2026
View repo
View results
3 / 3
Submissions
Severity
Validity
Tags
Author
#1
Reentrancy attack in PuppyRaffle::refund allows attacker to drain all contract funds
High
Valid
[H-02] Reentrancy Vulnerabi...
mistwood
#2
Weak randomness in PuppyRaffle::selectWinner allows attacker to predict the winner
High
Valid
[H-03] Randomness can be gamed
mistwood
#3
DoS in PuppyRaffle::enterRaffle due to O(n^2) duplicate check
Medium
Valid
[M-01] `PuppyRaffle: enterR...
mistwood
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!