Devolutions Server up to 2026.3.7 OAuth Device Authorization Flow improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k2.26-

Summaryinfo

A vulnerability categorized as critical has been discovered in Devolutions Server up to 2026.3.7. This affects an unknown part of the component OAuth Device Authorization Flow. Executing a manipulation can lead to improper authentication. The identification of this vulnerability is CVE-2026-105485. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Devolutions Server up to 2026.3.7. It has been declared as critical. This vulnerability affects an unknown functionality of the component OAuth Device Authorization Flow. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Authentication bypass OAuth device authorization flow in Devolutions Server 2026.3.7.0 and earlier allows a remote attacker to take over a user's account via replay of a captured device verification link by an authenticated victim.

The advisory is available at devolutions.net. This vulnerability was named CVE-2026-105485 since 10/05/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 2026.3.8 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Improper authentication
CWE: CWE-287
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 2026.3.8

Timelineinfo

10/05/2026 CVE reserved
10/06/2026 +1 days Advisory disclosed
10/06/2026 +0 days VulDB entry created
10/06/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: devolutions.net
Status: Confirmed

CVE: CVE-2026-105485 (🔒)
GCVE (CVE): GCVE-0-2026-105485
GCVE (VulDB): GCVE-100-414394

Entryinfo

Created: 10/06/2026 20:49
Changes: 10/06/2026 20:49 (54)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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