CVE-2026-32638: Studiocms

Low severity, CVSS 2.7. EPSS: 0.4% chance of exploitation in the next 30 days.

StudioCMS is a server-side-rendered, Astro native, headless content management system. Prior to 0.4.4, the REST API `getUsers` endpoint in StudioCMS uses the attacker-controlled `rank` query parameter to decide whether owner accounts should be filtered from the result set. As a result, an admin token can request `rank=owner` and receive owner account records, including IDs, usernames, display names, and email addresses, even though the adjacent `getUser` endpoint correctly blocks admins from viewing owner users. This is an authorization inconsistency inside the same user-management surface. Version 0.4.4 fixes the issue.

Affected products

• Studiocms Studiocms: before 0.4.4 (fixed in 0.4.4)

Published 2026-03-18. Last modified 2026-06-17.