Exercises

Exercise Avg. Time Difficulty Solved by Tier
CVE-2025-6X5X7
This challenge covers the review of a CVE in a python codebase and its patch
hard 138 PRO
CVE-2025-0X6X
This challenge covers the review of a CVE in a python codebase and its patch
< 1 Hr. hard 183 PRO
CVE-2024-X68X
This challenge covers the review of a CVE in a python codebase and its patch
< 1 Hr. hard 162 PRO
CVE-2023-2758X
This challenge covers the review of a CVE in a golang codebase and its patch
< 1 Hr. hard 93 PRO
CVE-2017-1XX74
This challenge covers the review of a CVE in a golang codebase and its patch
< 1 Hr. hard 123 PRO
CVE-202X-15X7
This challenge covers the review of a CVE in a golang codebase and its patch
< 1 Hr. hard 86 PRO
CVE-2022-2X457
This challenge covers the review of a CVE in a java codebase and its patch
< 1 Hr. hard 139 PRO
CVE-2025-627X0
This challenge covers the review of a CVE in a java codebase and its patch
< 1 Hr. hard 125 PRO
CVE-2025-NOID
This challenge covers the review of a CVE in a java codebase and its patch
< 1 Hr. hard 123 PRO
Latex: --shell-escape
This exercise covers how one can leverage latex when pdflatex is used with the --shell-escape option to gain command execution.
< 1 Hr. medium 76 PRO
CVE-2025-X93X0
This challenge covers the review of a CVE in a golang codebase and its patch
< 1 Hr. hard 84 PRO
CVE-2025-X215X
This challenge covers the review of a CVE in a golang codebase and its patch
< 1 Hr. hard 92 PRO
Golang Code Review #07
This challenge covers the review of a snippet of code written in Golang.
< 1 Hr. hard 110 PRO
CVE-2025-6X85
This challenge covers the review of a CVE in a python codebase and its patch
< 1 Hr. hard 152 PRO
CVE-2025-6X9X2
This challenge covers the review of a CVE in a python codebase and its patch
hard 133 PRO
CVE-2025-X942X
This challenge covers the review of a CVE in a python codebase and its patch
< 1 Hr. hard 145 PRO
CVE-2025-X270X
This challenge covers the review of a CVE in a python codebase and its patch
< 1 Hr. hard 163 PRO
Puzzle 08 < 1 Hr. hard 35 PRO
CVE-2021-X5X8
This challenge covers the review of a CVE in a Golang codebase and its patch
< 1 Hr. hard 93 PRO
CVE-2025-5XX2X
This challenge covers the review of a CVE in a Golang codebase and its patch
< 1 Hr. hard 101 PRO
GCM Tag Truncation
This challenge covers the exploitation of tag truncation on GCM
2-4 Hr. hard 29 PRO
CVE-2022-24720
This exercise covers how one can leverage image processing in ActiveStorage to gain command execution.
1-2 Hr. medium 57 PRO
CVE-2025-XX149
This challenge covers the review of a CVE in a Python codebase and its patch
< 1 Hr. hard 194 PRO
CVE-2025-6XX4
This challenge covers the review of a CVE published in 2025 in a go codebase and its patch
< 1 Hr. hard 91 PRO
CVE-2025-5X3X9
This challenge covers the review of a CVE discovered in 2025 in a golang codebase and its patch
< 1 Hr. hard 110 PRO
CVE-2024-47081 < 1 Hr. medium 34 PRO
CVE-2024-419XX
This challenge covers the review of a CVE in a Python codebase and its patch
< 1 Hr. hard 254 PRO
CVE-2023-3219X
This challenge covers the review of a CVE in a Golang project and its patch
< 1 Hr. hard 110 PRO
CVE-2025-4913X
This challenge covers the review of a CVE in a Go codebase and its patch. The goal is to review the code to find the security issue.
< 1 Hr. hard 104 PRO
CVE-2024-433XX
This challenge covers the review of a CVE in a Python codebase and its patch
< 1 Hr. hard 198 PRO
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Showing 181–210 of 851 exercises