Improper Access Control in Devolutions Server Allows Attachment Access

Publication date: 2026-06-16

Last updated on: 2026-06-18

Assigner: Devolutions Inc.

Description

Improper access control in Devolutions Server 2026.2.5, 2026.1.21 allows an authenticated user to access attachments via folder duplication with inherited permissions.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-16

Last Modified

2026-06-18

Generated

2026-07-07

AI Q&A

2026-06-16

EPSS Evaluated

2026-07-05

NVD

CVE-2026-12105

EUVD

EUVD-2026-37203

Affected Vendors & Products

Vendor	Product	Version / Range
devolutions	devolutions_server	From 2026.2.4.0 (inc) to 2026.2.7.0 (exc)
devolutions	devolutions_server	to 2026.1.22.0 (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

This vulnerability is an improper access control issue in Devolutions Server versions 2026.2.5 and 2026.1.21. It allows an authenticated user to access attachments by duplicating folders, which then inherit permissions that enable access to those attachments.

Impact Analysis

The impact of this vulnerability is that an authenticated user could gain unauthorized access to attachments that they should not normally be able to access. This could lead to exposure of sensitive or confidential information stored within those attachments.

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