CVE Tools
Sign in

CVE-2026-32638

StudioCMS REST getUsers Exposes Owner Account Records to Admin Tokens

Published: Mar 18, 2026Updated: Mar 19, 2026 Sources: CVE List NVD GHSACWE-639
NVD MITRE
2.7CVSSLOW
EPSS Score
0.4%
Top 70.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-639

Affected Products

studiocmsstudiocms
On-prem
Web & CMS Plugins / cms-core
studiocmswithstudiocms
On-prem
Web & CMS Plugins / cms-core
studiocmsnpmOSS Libraries
studiocmscommercialWeb & CMS Pluginsaka studiocms
withstudiocmsWeb & CMS Plugins
npmpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://github.com/withstudiocms/studiocms/commit/aebe8bcb3618bb07c6753e3f5c982c1fe6adea64
github.com
https://github.com/withstudiocms/studiocms/releases/tag/studiocms@0.4.4
github.com
https://github.com/withstudiocms/studiocms/security/advisories/GHSA-xvf4-ch4q-2m24
github.com
and 2 more references View all →

Timeline

Published
Mar 18, 2026
Last Updated
Mar 19, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-32638 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows