Devolutions Server up to 2025.3.20.0/2026.1.16.0 API behavioral workflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Devolutions Server up to 2025.3.20.0/2026.1.16.0. The impacted element is an unknown function of the component API. Executing a manipulation can lead to behavioral workflow. This vulnerability appears as CVE-2026-8477. There is no available exploit.

Detailsinfo

A vulnerability was found in Devolutions Server up to 2025.3.20.0/2026.1.16.0. It has been declared as problematic. This vulnerability affects an unknown function of the component API. The manipulation with an unknown input leads to a behavioral workflow vulnerability. The CWE definition for the vulnerability is CWE-841. The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence. As an impact it is known to affect confidentiality. CVE summarizes:

Improper enforcement of the sealed-entry workflow in the entry sensitive-data retrieval feature in Devolutions Server allows an authenticated user with access to a sealed entry to retrieve its sensitive data without triggering the unseal audit notification via a crafted API request. This issue affects : * Devolutions Server 2026.1.6.0 through 2026.1.16.0 * Devolutions Server 2025.3.20.0 and earlier

The advisory is available at devolutions.net. This vulnerability was named CVE-2026-8477 since 05/13/2026. The exploitation appears to be easy. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/26/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-31461) and CERT Bund (WID-SEC-2026-1665). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Devolutions Server

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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: Behavioral workflow
CWE: CWE-841 / CWE-840
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/13/2026 CVE reserved
05/22/2026 +9 days Advisory disclosed
05/22/2026 +0 days VulDB entry created
05/26/2026 +4 days VulDB entry last update

Sourcesinfo

Advisory: DEVO-2026-0013
Status: Confirmed

CVE: CVE-2026-8477 (🔒)
GCVE (CVE): GCVE-0-2026-8477
GCVE (VulDB): GCVE-100-365218
EUVD: 🔒
CERT Bund: WID-SEC-2026-1665 - Devolutions Server: Mehrere Schwachstellen

Entryinfo

Created: 05/22/2026 18:04
Updated: 05/26/2026 13:24
Changes: 05/22/2026 18:04 (53), 05/22/2026 18:23 (1), 05/26/2026 13:24 (7)
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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