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
Dec 19th, 2025 → Dec 19th, 2025
View repo
View results
9 / 9
Submissions
Severity
Validity
Tags
Author
#1
Inefficient Duplicate Detection Using Bubble Sort
Medium
Valid
[M-01] `PuppyRaffle: enterR...
dod4ufn
#2
Missing Validation for Zero-Length Players Array
Low
Invalid
dod4ufn
#3
Reentrancy Attack in Refund Function
High
Valid
[H-02] Reentrancy Vulnerabi...
dod4ufn
#4
Ambiguous Return Value for Missing Player
Low
Valid
[L-01] Ambiguous index retu...
dod4ufn
#5
DoS by Refunding Multiple Players to Enable Duplicate Zeros
High
Invalid
dod4ufn
#6
Deterministic Randomness Allows Winner Prediction
High
Invalid
dod4ufn
#7
Prize Pool Doesn't Account for Refunded Players
High
Valid
[H-04] `PuppyRaffle::refund...
dod4ufn
#8
Silent Overflow in totalFees Variable
High
Valid
[H-05] Typecasting from uin...
dod4ufn
#9
Dead Code: Unused _isActivePlayer Function
Low
Invalid
dod4ufn
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!