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OpenAdvisories
High · 8.3 CVE-2026-4064 EUVD-2026-12637GHSA-979h-vff8-97jm

Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with a…

Published Mar 17, 2026 · Updated Mar 17, 2026 · Assigned by DEVOLUTIONS

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.

Affected products

VendorProductAffectedFixed
Devolutions PowerShell Universal 2026.1.0 – < 2026.1.4 2026.1.4

References