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.
History

Thu, 19 Mar 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Studiocms
Studiocms studiocms
CPEs cpe:2.3:a:studiocms:studiocms:*:*:*:*:*:*:*:*
Vendors & Products Studiocms
Studiocms studiocms

Thu, 19 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 19 Mar 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Withstudiocms
Withstudiocms studiocms
Vendors & Products Withstudiocms
Withstudiocms studiocms

Wed, 18 Mar 2026 21:00:00 +0000

Type Values Removed Values Added
Description 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.
Title StudioCMS REST getUsers Exposes Owner Account Records to Admin Tokens
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 2.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-19T15:01:00.396Z

Reserved: 2026-03-12T15:29:36.560Z

Link: CVE-2026-32638

cve-icon Vulnrichment

Updated: 2026-03-19T15:00:55.453Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-18T21:16:26.770

Modified: 2026-03-19T18:40:31.577

Link: CVE-2026-32638

cve-icon Redhat

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