VDB-348179 · CVE-2026-3277 · DEVO-2026-0006

Devolutions PowerShell Universal up to 2026.1.2 OpenID Connect Authentication Configuration authentication.ps1 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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Devolutions PowerShell Universal up to 2026.1.2. The impacted element is an unknown function of the file .universal/authentication.ps1 of the component OpenID Connect Authentication Configuration. The manipulation leads to cleartext storage. This vulnerability is traded as CVE-2026-3277. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Devolutions PowerShell Universal up to 2026.1.2 and classified as problematic. This issue affects some unknown processing of the file .universal/authentication.ps1 of the component OpenID Connect Authentication Configuration. The manipulation with an unknown input leads to a cleartext storage vulnerability. Using CWE to declare the problem leads to CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. Impacted is confidentiality. The summary by CVE is:

The OpenID Connect (OIDC) authentication configuration in PowerShell Universal before 2026.1.3 stores the OIDC client secret in cleartext in the .universal/authentication.ps1 script, which allows an attacker with read access to that file to obtain the OIDC client credentials

It is possible to read the advisory at devolutions.net. The identification of this vulnerability is CVE-2026-3277 since 02/26/2026. The exploitation is known to be easy. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1555 according to MITRE ATT&CK.

Upgrading to version 2026.1.3 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Devolutions

Name

PowerShell Universal

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

ADP CISA Base Score: 5.5
ADP CISA Vector: 🔒

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

EPSS Score: 🔒
EPSS Percentile: 🔒

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: PowerShell Universal 2026.1.3

Timelineinfo

02/26/2026 CVE reserved
02/27/2026 +1 days Advisory disclosed
02/27/2026 +0 days VulDB entry created
03/30/2026 +31 days VulDB entry last update

Sourcesinfo

Advisory: DEVO-2026-0006
Status: Confirmed

CVE: CVE-2026-3277 (🔒)
GCVE (CVE): GCVE-0-2026-3277
GCVE (VulDB): GCVE-100-348179

Entryinfo

Created: 02/27/2026 18:15
Updated: 03/30/2026 23:44
Changes: 02/27/2026 18:15 (57), 03/11/2026 20:21 (1), 03/30/2026 23:44 (20)
Complete: 🔍
Cache ID: 216:E82:103