Devolutions Server up to 2026.1.20/2026.2.4 Attachments authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k1.98

Summaryinfo

A vulnerability classified as critical was found in Devolutions Server up to 2026.1.20/2026.2.4. Affected by this vulnerability is an unknown functionality of the component Attachments Handler. The manipulation results in authorization. This vulnerability was named CVE-2026-12105. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Devolutions Server up to 2026.1.20/2026.2.4. Affected is an unknown function of the component Attachments Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at devolutions.net. This vulnerability is traded as CVE-2026-12105 since 06/12/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 2026.1.21 or 2026.2.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-37203). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Server 2026.1.21/2026.2.5

Timelineinfo

06/12/2026 CVE reserved
06/16/2026 +4 days Advisory disclosed
06/16/2026 +0 days VulDB entry created
06/17/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: DEVO-2026-0017
Status: Confirmed

CVE: CVE-2026-12105 (🔒)
GCVE (CVE): GCVE-0-2026-12105
GCVE (VulDB): GCVE-100-371448
EUVD: 🔒

Entryinfo

Created: 06/16/2026 22:14
Updated: 06/17/2026 01:33
Changes: 06/16/2026 22:14 (55), 06/17/2026 01:33 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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