CVE-2026-12105
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Improper Access Control in Devolutions Server Allows Attachment Access

Publication date: 2026-06-16

Last updated on: 2026-06-16

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.
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Meta Information
Published
2026-06-16
Last Modified
2026-06-16
Generated
2026-06-17
AI Q&A
2026-06-16
EPSS Evaluated
N/A
NVD
CVE-2026-12105
EUVD
EUVD-2026-37203
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
devolutions server 2026.2.5
devolutions server 2026.1.21
Helpful Resources
Exploitability
CWE
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KEV
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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.
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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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