Dojo #50 - Bucket Vault

Bucket Vault

Active until : 24th April - 2026

How to submit your report

1. Visit the Dojo program at https://yeswehack.com/programs/dojo
2. Click on submit report
3. Login or create your account
4. Submit your report

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Description

Bucket Vault implements a secure file storage system using pre-signed URLs with signatures. Generate time-limited access tokens for files stored in the vault, with built-in signature verification to ensure only authorized requests can retrieve protected content.

⚠️ Note: To view the setup code for this challenge, click on settings (⚙ icon) located at the top over the tab: INFO.

Goal

BRUTE FORCE IS NOT ALLOWED!
(Applies only to the Dojo challenge page itself.)

A valid solution for the challenge must meet these requirements:

• Your report must include a proof of concept (PoC) showing how you obtained the flag
• The flag must be included in the report