Description

zrok is software for sharing web services, files, and network resources. Prior to version 2.0.1, the unaccess handler (controller/unaccess.go) contains a logical error in its ownership guard: when a frontend record has environment_id = NULL (the marker for admin-created global frontends), the condition short-circuits to false and allows the deletion to proceed without any ownership verification. A non-admin user who knows a global frontend token can call DELETE /api/v2/unaccess with any of their own environment IDs and permanently delete the global frontend, taking down all public shares routed through it. Version 2.0.1 patches the issue.

INFO

Published Date :

2026-04-17T21:04:23.648Z

Last Modified :

2026-04-20T14:57:24.486Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-40304 vulnerability.

Vendors Products
Netfoundry
  • Zrok
Openziti
  • Zrok
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-40304.

URL Resource
https://github.com/openziti/zrok/releases/tag/v2.0.1 cve-icon cve-icon
https://github.com/openziti/zrok/security/advisories/GHSA-3jpj-v3xr-5h6g cve-icon cve-icon
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