CVE-2026-12105: CWE-862 in Devolutions Devolutions Server
CVE-2026-12105 is an improper access control vulnerability in Devolutions Server versions 2026.2.5 and 2026.1.21. It allows an authenticated user to access attachments by duplicating folders and inheriting permissions improperly. This could lead to unauthorized access to sensitive data stored as attachments within the server.
AI Analysis
Technical Summary
This vulnerability (CWE-862) in Devolutions Server 2026.2.5 and 2026.1.21 involves improper access control where authenticated users can exploit folder duplication functionality to gain access to attachments that they should not have permission to view. The issue arises from inherited permissions being applied incorrectly during folder duplication, bypassing intended access restrictions.
Potential Impact
An authenticated user can access attachments beyond their authorized scope by exploiting folder duplication with inherited permissions. This could result in unauthorized disclosure of sensitive information stored as attachments within the Devolutions Server environment.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict folder duplication permissions to trusted users only and monitor for unusual access patterns related to attachments. Follow vendor updates closely for any released patches or official mitigations.
CVE-2026-12105: CWE-862 in Devolutions Devolutions Server
Description
CVE-2026-12105 is an improper access control vulnerability in Devolutions Server versions 2026.2.5 and 2026.1.21. It allows an authenticated user to access attachments by duplicating folders and inheriting permissions improperly. This could lead to unauthorized access to sensitive data stored as attachments within the server.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-862) in Devolutions Server 2026.2.5 and 2026.1.21 involves improper access control where authenticated users can exploit folder duplication functionality to gain access to attachments that they should not have permission to view. The issue arises from inherited permissions being applied incorrectly during folder duplication, bypassing intended access restrictions.
Potential Impact
An authenticated user can access attachments beyond their authorized scope by exploiting folder duplication with inherited permissions. This could result in unauthorized disclosure of sensitive information stored as attachments within the Devolutions Server environment.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict folder duplication permissions to trusted users only and monitor for unusual access patterns related to attachments. Follow vendor updates closely for any released patches or official mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- DEVOLUTIONS
- Date Reserved
- 2026-06-12T14:29:02.015Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a31a4690b89be68881528b3
Added to database: 6/16/2026, 7:30:49 PM
Last enriched: 6/16/2026, 7:46:00 PM
Last updated: 6/17/2026, 4:59:01 AM
Views: 6
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