OWASP TOP 10:2025 · HANDS-ON ARENA

Learn by
breaking safely.

Exploit real vulnerable behavior inside disposable, per-player environments. Track skills, points, and completion across every verified OWASP section.

Explore challenges Scoreboard
isolated-runner
$ arena status
✓ isolated exploit targets
✓ one lab per player
✓ rotating flags + expiry
200 verified labs ready_
VERIFIED LABS20020 matching this view
COMPLETED0/2000% of published arena
OWASP TRACKS10/10with published labs
POINTS0of 45400 available
YOUR ARENA PROGRESS

Sign in to measure progress

Solved labs, points, and OWASP track completion will be saved to your account.

0%
A01Broken Access Control0/20 solved · 0% A02Security Misconfiguration0/20 solved · 0% A03Software Supply Chain Failures0/20 solved · 0% A04Cryptographic Failures0/20 solved · 0% A05Injection0/20 solved · 0% A06Insecure Design0/20 solved · 0% A07Authentication Failures0/20 solved · 0% A08Software or Data Integrity Failures0/20 solved · 0% A09Security Logging and Alerting Failures0/20 solved · 0% A10Mishandling of Exceptional Conditions0/20 solved · 0%
CHALLENGE LIBRARY

Cryptographic Failures

Clear track ×
Reset
20 challengesPage 1 of 1
A04 · Cryptographic FailuresEasy
A04≈ 25 min

Patterned Profiles

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
100 pts0 solvesAvailable
A04 · Cryptographic FailuresEasy
A04≈ 30 min

Fast Password Vault

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
100 pts0 solvesAvailable
A04 · Cryptographic FailuresEasy
A04≈ 30 min

Key in the App

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
100 pts0 solvesAvailable
A04 · Cryptographic FailuresEasy
A04≈ 25 min

Coupon Randomness

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
100 pts0 solvesAvailable
A04 · Cryptographic FailuresEasy
A04≈ 30 min

Saltless Archive

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
100 pts0 solvesAvailable
A04 · Cryptographic FailuresEasy
A04≈ 25 min

QR Secret Exposure

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
100 pts0 solvesAvailable
A04 · Cryptographic FailuresMedium
A04≈ 35 min

Predictable Recovery

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
200 pts0 solvesAvailable
A04 · Cryptographic FailuresMedium
A04≈ 35 min

Searchable Ciphertext

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
200 pts0 solvesAvailable
A04 · Cryptographic FailuresMedium
A04≈ 35 min

Trust Any Certificate

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
200 pts0 solvesAvailable
A04 · Cryptographic FailuresMedium
A04≈ 40 min

Tiny RSA

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
200 pts0 solvesAvailable
A04 · Cryptographic FailuresMedium
A04≈ 40 min

Shortened MAC

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
200 pts0 solvesAvailable
A04 · Cryptographic FailuresMedium
A04≈ 35 min

Tenant Key Reuse

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
200 pts0 solvesAvailable
A04 · Cryptographic FailuresMedium
A04≈ 40 min

Encrypted, Not Authenticated

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
200 pts0 solvesAvailable
A04 · Cryptographic FailuresMedium
A04≈ 40 min

Stream Reuse

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
200 pts0 solvesAvailable
A04 · Cryptographic FailuresHard
A04≈ 50 min

Nonce Twins

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
350 pts0 solvesAvailable
A04 · Cryptographic FailuresHard
A04≈ 55 min

Padding Clerk

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
350 pts0 solvesAvailable
A04 · Cryptographic FailuresHard
A04≈ 45 min

Algorithm Swap

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
350 pts0 solvesAvailable
A04 · Cryptographic FailuresHard
A04≈ 50 min

Extended Message

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
350 pts0 solvesAvailable
A04 · Cryptographic FailuresHard
A04≈ 45 min

Downgrade Ticket

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
350 pts0 solvesAvailable
A04 · Cryptographic FailuresInsane
A04≈ 60 min

Constant-Time Missing

Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.

YOU WILL PRACTICECryptographic Failures
500 pts0 solvesAvailable