Path Traversal

zrok is vulnerable to Path Traversal. The vulnerability is due to failure to prevent symlink traversal in the WebDAV drive backend, which allows a remote attacker to access symbolic links pointing outside the shared root and read or, where permitted, modify arbitrary files on the host filesystem...

CVE-2026-40303

zrok is software for sharing web services, files, and network resources. Prior to version 2.0.1, endpoints.GetSessionCookie parses an attacker-supplied cookie chunk count and calls makestring, count with no upper bound before any token validation occurs. The function is reached on every request t...

CVE-2026-40304 zrok's broken ownership check in DELETE /api/v2/unaccess allows non-admin to delete global frontend records

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 environmentid = NULL the marker for admin-created global frontends, the conditio...