What’s Vulnerable › Vulnerabilities
CVE-2026-4064
- Severity: high (CVSS 8.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-17 · updated 2026-06-17
- Weakness: CWE-862
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
- Ironmansoftware Powershell Universal: before 2026.1.4 — fixed in 2026.1.4
How to fix
Upgrade to a fixed version: Ironmansoftware Powershell Universal 2026.1.4. Check the vendor advisory for mitigations.
References
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