high8.3
CVE-2026-4064
Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to by…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Ironmansoftware | Powershell Universal | before 2026.1.4 |