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Powershell Universal CVE-2026-3277

MEDIUM
Cleartext Storage of Sensitive Information (CWE-312)
2026-02-27 security@devolutions.net
6.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 27, 2026 - 16:16 nvd
MEDIUM 6.5

DescriptionCVE.org

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

AnalysisAI

authentication configuration in PowerShell Universal versions up to 2026.1.3 is affected by cleartext storage of sensitive information.

Technical ContextAI

This vulnerability (CWE-312: Cleartext Storage of Sensitive Information) affects authentication configuration in PowerShell Universal. 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

RemediationAI

Monitor vendor advisories for a patch.

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CVE-2026-3277 vulnerability details – vuln.today

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