Exercises

Exercise Avg. Time Difficulty Solved by Tier
CVE-2024-419XX
This challenge covers the review of a CVE in a Python codebase and its patch
< 1 Hr. hard 254 PRO
Golang Code Review #08
This challenge covers the review of a snippet of code written in Golang and has been created to help improve your security code review skills.
< 1 Hr. hard 134 PRO
Golang Code Review #10
This challenge covers the review of a simple snippet of code written in Go.
< 1 Hr. hard 138 PRO
Golang Code Review #06
This challenge covers the review of a vulnerable snippet of Golang and has been created to help improve your security code review skills.
< 1 Hr. hard 142 PRO
SAML: CVE-2025-25291
This exercise covers the exploitation of CVE-2025-25291 (impacting ruby-saml)
2-4 Hr. hard 28 PRO
SAML: CVE-2025-29775 Signed Metadata
This exercise covers the exploitation of CVE-2025-29775 (impacting xml-crypto) without XMLResponse
2-4 Hr. hard 23 PRO
CVE-2024-6X3X
This challenge covers the review of a CVE (original vulnerable code and diff) of a real go codebase
< 1 Hr. hard 109 PRO
CVE-2019-379X
This challenge is part of our golang code review challenges designed to teach you security code review by reviewing patches
< 1 Hr. hard 173 PRO
CVE-2019-X03X
This challenge covers the review of a CVE in a golang codebase and its patch
< 1 Hr. hard 115 PRO
CVE-2025-XX95X
This challenge is part of our go code review challenges designed to teach you security code review by reviewing patches
< 1 Hr. hard 118 PRO
SAML: CVE-2025-29775
This exercise covers the exploitation of CVE-2025-29775 (impacting xml-crypto)
1-2 Hr. hard 31 PRO
CVE-2022-37X1
This challenge covers the review of a CVE in a go codebase and its patch
< 1 Hr. hard 128 PRO
UUIDv1 IDOR < 1 Hr. medium 265 PRO
CVE-2023-XX463
This challenge covers the review of a CVE in a Go codebase and its patch
< 1 Hr. hard 122 PRO
Golang Code Review #04
This challenge covers the review of a snippet of code written in Golang.
< 1 Hr. hard 165 PRO
API Mass-Assignment 03 < 1 Hr. medium 515 PRO
API Mass-Assignment 02 < 1 Hr. medium 547 PRO
API Mass-Assignment 01 < 1 Hr. medium 574 PRO
Mongo IDOR IV < 1 Hr. hard 193 PRO
Mongo IDOR III < 1 Hr. medium 303 PRO
CVE-2024-X5X87
This challenge covers the review of a CVE in a go codebase and its patch
< 1 Hr. hard 126 PRO
API JWT REVOCATION JWT
This exercise covers how to bypass a weak JWT Revocation Mechanism.
< 1 Hr. easy 568 PRO
CVE-2022-XX975
This challenge covers the review of a CVE in a Go codebase and its patch
< 1 Hr. hard 131 PRO
Puzzle 06
Leverage a weak implementation of lowercase to access arbitrary files
< 1 Hr. hard 35 PRO
Puzzle 07
Leverage a weak implementation of lowercase to access arbitrary files
1-2 Hr. hard 34 PRO
API 18
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 635 PRO
API 19
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 623 PRO
API 20
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 605 PRO
API 16
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 638 PRO
API 17
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 545 PRO
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Showing 211–240 of 851 exercises