CVE-2026-16799 Missing authorization in PowerShell Universal

Medium 5.0 Published 24 Jul 2026 Updated 24 Jul 2026

Authenticated users with Reader role can execute automation tests and modify workflows due to missing server-side authorization checks.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-16799?

CVE-2026-16799 is a medium-severity missing authorization vulnerability in Devolutions PowerShell Universal, published on 24 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper access control in the automation tests and workflows features in Devolutions PowerShell Universal 2026.2.2 and earlier allows an authenticated user with only the Reader role to execute automation tests and modify workflow properties via missing server-side authorization checks.

Weakness: CWE-862

Which versions are affected by CVE-2026-16799?

It affects 1 product.

Products include Devolutions Powershell Universal.

How do I fix CVE-2026-16799?

No fix has been published for CVE-2026-16799 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-16799 being exploited?

There is no known exploitation of CVE-2026-16799 in the wild and no public exploit code.

Sources

Also known as GHSA-33fw-w4q9-fhpq.