Find the FLAG and win Intigriti swag! 🏆

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 Twitter profile.
• For every 100 likes, we'll add a tip to announcement tweet.
• 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:

1. Download the challenge source code!
2. Solve it locally!
3. Repeat your attack against the challenge server.