HexBrain

Cloudflare Public Bug Bounty · Report #2802817

Any WARP User Can Access Organization-Specific Application

Informativestatus
46upvotes
19 May 2025disclosed

Summary

This was internally reviewed and it was determined that there is no security issue here. First of all, the policy that was set set does exactly what it supposed to do. If you configure an Access policy to allow all clients that pass the WARP check, any client connected to WARP (even the free WARP or another organization's Zero Trust WARP) will have access.

This is intended behavior for the "Warp" selector.

What has been reported here can be achieved using the 'Gateway' selector - as explained in this tutorial: https://community.cloudflare.com/t/using-warp-posture-checks-with-cloudflare-access/449569

How it was found

The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original