Learn by
breaking safely.
Exploit real vulnerable behavior inside disposable, per-player environments. Track skills, points, and completion across every verified OWASP section.
$ arena status
✓ isolated exploit targets
✓ one lab per player
✓ rotating flags + expiry
200 verified labs ready_
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Solved labs, points, and OWASP track completion will be saved to your account.
Broken Access Control
Invoice Switchboard
Investigate the application, map its behavior, and recover the rotating flag without a guided walkthrough.
Friendly Slug
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Workspace Boundary
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Owner by Request
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Private Export
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Revoked but Reachable
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Privilege Echo
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Cross-Site Approval
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Hidden Moderator
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Metadata Courier
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Webhook to Nowhere
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Nested Resolver
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Wrong Room
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Archive Escape
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Mixed Ownership
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Invite Across Orgs
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Redirected Allowlist
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PDF on the Inside
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Parser Split
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Rebinding Preview
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