VDB-411445 · CVE-2026-100288 · GCVE-0-2026-100288

Devolutions Server up to 2026.3.5.0 cleartext storage

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	1.24+

Summaryinfo

A vulnerability classified as problematic has been found in Devolutions Server up to 2026.3.5.0. Affected by this issue is some unknown functionality. This manipulation causes cleartext storage. This vulnerability is registered as CVE-2026-100288. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Devolutions Server up to 2026.3.5.0. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a cleartext storage vulnerability. The CWE definition for the vulnerability is CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. As an impact it is known to affect confidentiality. The summary by CVE is:

Cleartext storage of sensitive information in the database in Devolutions Server 2026.3.5.0 and earlier allows an attacker with read access to the database to obtain external identity provider tokens and active session identifiers via direct inspection of stored records.

The advisory is shared at devolutions.net. This vulnerability is known as CVE-2026-100288 since 09/25/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1555 for this issue.

Upgrading to version 2026.3.7.0 eliminates this vulnerability.

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Productinfo

Vendor

Devolutions

Name

Server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cleartext storage
CWE: CWE-312 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Server 2026.3.7.0

Timelineinfo

09/25/2026 CVE reserved
09/29/2026 +4 days Advisory disclosed
09/29/2026 +0 days VulDB entry created
09/29/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: devolutions.net
Status: Confirmed

CVE: CVE-2026-100288 (🔒)
GCVE (CVE): GCVE-0-2026-100288
GCVE (VulDB): GCVE-100-411445

Entryinfo

Created: 09/29/2026 18:06
Changes: 09/29/2026 18:06 (53)
Complete: 🔍
Cache ID: 216::103