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Rules:

This challenge runs from 19/06/2025 4:00 PM until 26/06/2025, 11:59 PM UTC.

Out of all correct submissions, we will draw six winners on Monday 30/06/2025:

• Three randomly drawn correct submissions
• Three best write-ups

Every winner gets a €50 swag voucher for our swag shop

The winners will be announced on our X profile.

For every 100 likes, we'll add a tip to announcement post.

Join our Discord to discuss the challenge!

The solution:

• Should leverage an RCE on the server without sandbox.
• Shouldn't exploit a 0-day or Chromium RCE.
• Should include:
• The flag in the format INTIGRITI{.*}
• The payload(s) used
• Steps to solve (short description / bullet points)
• Should be reported on the Intigriti platform.

Get started:

Download the challenge source code!

• Solve it locally!
• Repeat your attack against the challenge server.

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