CVE-2026-4064

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

17/03/2026

Last modified:

19/03/2026

Description

Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L CVSS v3.1 Severity and Metrics:

Base Score: 8.30 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): Low

Base Score 3.x

8.30

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:ironmansoftware:powershell_universal::::::::		2026.1.4 (excluding)

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

https://devolutions.net/security/advisories/DEVO-2026-0008