CVE-2026-4064
High
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.
SeverityHigh
CVSS8.3
Exploit probability—
ProductIronmansoftware Powershell Universal
PublishedMar 17, 2026
First seenMar 17, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- ironmansoftware powershell_universal2026.1.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ironmansoftware powershell_universal | v < 2026.1.4 | 2026.1.4 |
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