Tiny board.
Real lessons.

Capture all 6 flags. Everything you need is inside this isolated network.

OPEN

1. Header Hunter

Inspect information outside the rendered response body.

Investigate
OPEN

2. Object Reference

Test whether changing an object identifier changes authorization.

Investigate
OPEN

3. Method Maze

Discover how one endpoint behaves across HTTP methods.

Investigate
OPEN

4. Layered Token

Decode and assess an unsigned authorization token.

Investigate
OPEN

5. Profile Overflow

Test whether a profile update binds fields the form never offered.

Investigate
OPEN

6. Proxy Pass

Audit whether a forwarding header is trusted as proof of origin.

Investigate

Submit a flag

Progress: 0 / 6