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
Oct 6th, 2026 → Oct 6th, 2026
View repo
View results
7 / 7
Submissions
Severity
Validity
Tags
Author
#1
Reentrant refund lets a single player drain the entire raffle balance
High
Valid
[H-02] Reentrancy Vulnerabi...
rvoffindings
#2
Refunded player tombstones permanently block new entries and settlement
High
Valid
[H-04] `PuppyRaffle::refund...
rvoffindings
#3
Caller-controlled randomness lets the finalizer choose the raffle winner
High
Valid
[H-03] Randomness can be gamed
rvoffindings
#4
uint64 fee accounting truncates accrued fees and blocks withdrawal
High
Valid
[H-05] Typecasting from uin...
rvoffindings
#5
Forced Ether permanently blocks fee withdrawal
Medium
Valid
[M-02] Slightly increasing ...
rvoffindings
#6
Quadratic duplicate checking makes new entries eventually unavailable
Medium
Valid
[M-01] `PuppyRaffle: enterR...
rvoffindings
#7
Inclusive rarity boundaries produce 71/25/4 instead of 70/25/5
Low
Valid
[L-03] Participants are mis...
rvoffindings
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!
