CloudFest 2026 / Patchstack

HackerSpace CTF
@ CloudFest 2026

This CTF is organized by Patchstack and takes place at CloudFest 2026. Challenges cover web application security with a focus on WordPress plugins and themes, but also include broader targets. Expect to find and exploit real-world vulnerabilities across different attack surfaces.

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Rules

  • R1 Participants must not attack the CTF infrastructure itself.
  • R2 Do not share flags or solutions with other teams during the competition.
  • R3 Automated mass scanning of the competition environment is not allowed.
  • R4 Each flag must be submitted individually through this platform.
  • R5 Teams may consist of 1 to 3 members.
  • R6 Any form of cheating or exploitation of platform bugs must be reported, not abused.
  • R7 Decisions made by the organizers are final.
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Prizes

1st Place
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€1000 + 2027 CloudFest VIP Ticket
2nd Place
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€500
3rd Place
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€250

Writeup required. To be eligible for prizes, participants must submit a writeup for at least one solved challenge after the competition ends.

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Community

Join the Patchstack Discord to connect with other participants, get help, and learn more about Patchstack. This is the place to ask questions during the CTF.

Join Discord