Competition Rules & Information
About N0v4CTF 2026
N0v4CTF 2026 is an independently organized, online Jeopardy-style Capture The Flag competition designed for cybersecurity enthusiasts worldwide.
Participants compete in teams to solve cybersecurity challenges, discover hidden flags, earn points, and climb the live scoreboard.
Challenge Categories
XSS, SQLi, SSRF, IDOR, Authentication bypasses, API security flaws.
Memory corruption, buffer overflows, ROP chains, shellcoding, heap exploitation.
Disassembly, decompilation, binary analysis, malware unpacking, logic reversing.
Classical & modern ciphers, RSA, ECC, cryptographic weakness attacks.
Network packet analysis (PCAP), memory forensics, artifact analysis, steganography.
OSINT, esoteric encodings, automation scripting, logic & algorithmic puzzles.
Official Rules
- Each challenge has a unique flag in the format
NVR{...}. Submit the correct flag to earn points. - Dynamic scoring is enabled — the more solves a challenge has, the lower its point value becomes.
- All challenges remain locked until the official start time and will unlock simultaneously for all participants.
- Sharing flags, unreleased hints, or writeups during the competition is strictly prohibited.
- Attacking the competition infrastructure (DoS/DDoS, brute-forcing accounts, server tampering) is strictly forbidden.
- Rate limit: Each account is allowed up to 8 flag submissions per minute per challenge.
- Rankings are based on total score. Ties are broken by the earliest completion timestamp.
Challenges
Scoreboard
⏱️ CTF Tie-breaker Rule: When scores are tied, the team or player who solved their latest challenge earliest ranks higher.
| # | Team | Members | Score | Solves | Last Solve |
|---|
Team
You are not currently in a team. Create a new team to lead your teammates or join an existing team (unlimited members per team)!
Create New Team
Join Existing Team
NovaRun
-- place
0 points
Members 0 members
| User | Score |
|---|
Solves 0 solves
| Challenge | Category | Points | Time |
|---|
Profile
Team Management
You are currently competing solo. Create a new team or join an existing team below (unlimited members per team)!