JWT Algo Confusion

Challenge 28 Jul 2025 Pro Exclusive Solution (Pro)

Start the machine, hack the system, and find the hidden flags to complete this challenge and earn points!

Flags

Points

40%

Success Rate

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~1-2 min setup

Dedicated server

Private instance

Industry standard

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JWT Algo Confusion

Challenge 5 points

Writeup Guidelines

Share your solution approach, methodology, and insights. Your writeup will be reviewed before being published to the community. Earn +5 bonus points when your writeup is approved!

Requirements:

No flag content: Do not reveal actual flag values or passwords in your writeup
Include lab link: Your writeup must contain a direct link to this lab for reference
Educational focus: Explain your methodology, tools used, and learning insights

Writeup URL *

Link to your blog post, GitHub repository, or any platform where you've published your writeup
Remember to include this lab's URL in your writeup: https://hackerdna.com/labs/jwt-algo-confusion

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I confirm that my writeup includes a direct link to this lab

Your writeup must reference this lab's URL: https://hackerdna.com/labs/jwt-algo-confusion

I confirm that my writeup does NOT contain flag content or critical information

Do not include actual flags, passwords, or other sensitive information that would spoil the challenge