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 4th, 2026 → Feb 6th, 2026
View repo
View results
7 / 7
Submissions
Severity
Validity
Tags
Author
#1
Denial of Service via unbounded loop in PuppyRaffle::enterRaffle
Medium
Valid
[M-01] `PuppyRaffle: enterR...
quangviet910
#2
Reentrancy in PuppyRaffle::refund() allows draining entire contract
High
Valid
[H-02] Reentrancy Vulnerabi...
quangviet910
#3
Integer overflow in totalFees permanently results in fee loss
High
Valid
[H-05] Typecasting from uin...
quangviet910
#4
Weak Randomness Allows Winner Prediction and Manipulation
High
Valid
[H-03] Randomness can be gamed
quangviet910
#5
Using Push-Over-Pull, Causing Winner Selection Can Be Permanently Blocked
Medium
Valid
[M-03] Impossible to win ra...
quangviet910
#6
Using Push-Over-Pull, Causing Winner Selection Can Be Permanently Blocked
Medium
Valid
[M-03] Impossible to win ra...
quangviet910
#7
Mishandling ETH in selectWinner can lock funds permanently (strict equality check)
Medium
Valid
[M-02] Slightly increasing ...
quangviet910
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!
