SSRF Validator

🌐 Can you trick the server into revealing its own secrets?

Challenge 23 Nov 2025 Pro Exclusive Solution Available

A seemingly secure URL validation service stands between you and sensitive internal data! 🔒 The server thinks it's safe behind its firewall, but clever request manipulation might just convince it to fetch data from places it shouldn't. 🕵️ Master the art of server-side request forgery and turn the server against itself! 💥

Flags

Points

85%

Success Rate

Start Your Challenge

~1-2 min setup

Dedicated server

Private instance

Industry standard

Open the target and find the flags

Flag

+5 pts

SSRF Validator

Challenge 5 points

Writeup Guidelines

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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

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