Exercises
| Exercise | Avg. Time | Difficulty | Solved by | Tier | |
|---|---|---|---|---|---|
|
JWT: Signature Leak
This exercise covers exploiting a JWT signature leak to forge authentication tokens.
|
-- |  |
0 | PRO |
|
CVE-2026-24895: FrankenPHP Path Confusion RCE using Unicode | 1-2 Hr. |  |
3 | PRO |
|
|
JWT: Invalid Algorithm
This exercise covers exploiting JWT algorithm validation flaws to bypass signature verification.
|
< 1 Hr. | |
11 | PRO |
|
CVE-2026-XX888
This challenge covers the review of a CVE in a typescript codebase and its patch
|
-- | |
58 | PRO |
|
|
CVE-2025-XX864
This challenge covers the review of a CVE in a typescript codebase and its patch
|
< 1 Hr. | |
62 | PRO |
|
|
CVE-2026-XX050
This challenge covers the review of a CVE in a typescript codebase and its patch
|
-- | |
49 | PRO |
|
|
CVE-2021-437XX
This challenge covers the review of a CVE in a JavaScript codebase and its patch
|
-- | |
76 | PRO |
|
|
CVE-2020-XX079
This challenge covers the review of a CVE in a javascript codebase and its patch
|
< 1 Hr. | |
88 | PRO |
|
|
CVE-2021-X27X0
This challenge covers the review of a CVE in a JavaScript codebase and its patch
|
-- | |
61 | PRO |
|
|
CVE-2026-XXX50
This challenge covers the review of a CVE in a python codebase and its patch
|
-- | |
56 | PRO |
|
|
CVE-2024-XX3X9
This challenge covers the review of a CVE in a python codebase and its patch
|
< 1 Hr. | |
43 | PRO |
|
|
CVE-2025-XXX57
This challenge covers the review of a CVE in a python codebase and its patch
|
< 1 Hr. | |
55 | PRO |
|
|
CVE-2024-X68X
This challenge covers the review of a CVE in a python codebase and its patch
|
< 1 Hr. | |
84 | PRO |
|
|
CVE-2025-6X5X7
This challenge covers the review of a CVE in a python codebase and its patch
|
-- | |
73 | PRO |
|
|
CVE-2025-0X6X
This challenge covers the review of a CVE in a python codebase and its patch
|
< 1 Hr. | |
93 | PRO |
|
|
CVE-2023-2758X
This challenge covers the review of a CVE in a golang codebase and its patch
|
< 1 Hr. | |
33 | PRO |
|
|
CVE-202X-15X7
This challenge covers the review of a CVE in a golang codebase and its patch
|
-- | |
32 | PRO |
|
|
CVE-2017-1XX74
This challenge covers the review of a CVE in a golang codebase and its patch
|
-- | |
44 | PRO |
|
|
CVE-2025-NOID
This challenge covers the review of a CVE in a java codebase and its patch
|
-- | |
41 | PRO |
|
|
CVE-2022-2X457
This challenge covers the review of a CVE in a java codebase and its patch
|
-- | |
40 | PRO |
|
|
CVE-2025-627X0
This challenge covers the review of a CVE in a java codebase and its patch
|
< 1 Hr. | |
44 | 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. |  |
40 | PRO |
|
|
Golang Code Review #07
This challenge covers the review of a snippet of code written in Golang.
|
-- | |
47 | PRO |
|
|
CVE-2025-X93X0
This challenge covers the review of a CVE in a golang codebase and its patch
|
-- | |
31 | PRO |
|
|
CVE-2025-X215X
This challenge covers the review of a CVE in a golang codebase and its patch
|
-- | |
34 | PRO |
|
|
CVE-2025-X942X
This challenge covers the review of a CVE in a python codebase and its patch
|
< 1 Hr. | |
94 | PRO |
|
|
CVE-2025-6X9X2
This challenge covers the review of a CVE in a python codebase and its patch
|
-- | |
83 | PRO |
|
|
CVE-2025-6X85
This challenge covers the review of a CVE in a python codebase and its patch
|
< 1 Hr. | |
92 | PRO |
|
|
CVE-2025-X270X
This challenge covers the review of a CVE in a python codebase and its patch
|
< 1 Hr. | |
107 | PRO |
|
|
Puzzle 08 | < 1 Hr. | |
18 | PRO |
Showing 31–60 of 713 exercises
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