CVE-2026-3638
Improper Access Control in Devolutions Server User Restore API
Publication date: 2026-03-09
Last updated on: 2026-03-30
Assigner: Devolutions Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| devolutions | devolutions_server | to 2025.3.12.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-3638 is an improper access control vulnerability found in Devolutions Server versions 2025.3.11.0 and earlier. It affects the user and role restore API endpoints, allowing a low-privileged authenticated user to restore deleted users and roles by sending specially crafted API requests without having the proper authorization.
How can this vulnerability impact me? :
This vulnerability can impact you by allowing unauthorized restoration of deleted users and roles within Devolutions Server. A low-privileged user could potentially regain access or elevate privileges by restoring accounts or roles that were previously removed, which could lead to unauthorized access, data exposure, or disruption of normal operations.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
The recommended immediate step to mitigate this vulnerability is to upgrade Devolutions Server to version 2025.3.12.0 or later, where the improper access control issue in the user and role restore API endpoints has been fixed.