CVE-2026-3638

Received Received - Intake

Improper Access Control in Devolutions Server User Restore API

Publication date: 2026-03-09

Last updated on: 2026-03-30

Assigner: Devolutions Inc.

Description

Improper access control in user and role restore API endpoints in Devolutions Server 2025.3.11.0 and earlier allows a low-privileged authenticated user to restore deleted users and roles via crafted API requests.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-03-09

Last Modified

2026-03-30

Generated

2026-07-06

AI Q&A

2026-03-09

EPSS Evaluated

2026-07-05

NVD

CVE-2026-3638

EUVD

EUVD-2026-10348

Affected Vendors & Products

Vendor	Product	Version / Range
devolutions	devolutions_server	to 2025.3.12.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

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.

Impact Analysis

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.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

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.

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