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
Jan 23rd, 2026 → Jan 28th, 2026
View repo
View results
7 / 7
Submissions
Severity
Validity
Tags
Author
#1
DoS via Unbounded Loop in enterRaffle - Quadratic Gas Consumption
Medium
Valid
[M-01] `PuppyRaffle: enterR...
leoyeesir
#2
Reentrancy Attack in refund Function Allows ETH Drain
High
Valid
[H-02] Reentrancy Vulnerabi...
leoyeesir
#3
Weak Randomness in selectWinner Allows Winner Manipulation
High
Valid
[H-03] Randomness can be gamed
leoyeesir
#4
Integer Overflow in `totalFees` (uint64)
High
Valid
[H-05] Typecasting from uin...
leoyeesir
#5
Permanent DoS on withdrawFees via Force-ETH Send
Medium
Valid
[M-02] Slightly increasing ...
leoyeesir
#6
Logic Error in getActivePlayerIndex - Ambiguous Return Value
Low
Valid
[L-01] Ambiguous index retu...
leoyeesir
#7
Missing Zero-Address Check for feeAddress
Low
Invalid
leoyeesir
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!