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VULNERABILITIES

CVE-2026-4064 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:8.3 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://devolutions.net/security/advisories/DEVO-2026-0008 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-862Missing Authorization[email protected]

Affected Products

ProductVersions
ironmansoftware powershell universal
< 2026.1.4

CPE

  • cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-4064
NVD Published Date:
Mar 17, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-4064 Details - Not Deferred