CVE-2026-16801 Code injection in PowerShell Universal

High 8.8 Published 24 Jul 2026 Updated 24 Jul 2026

Authenticated users with variable write permissions can execute arbitrary PowerShell code via crafted variable values in Devolutions PowerShell Universal.

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-2026-16801?

CVE-2026-16801 is a high-severity code injection 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 control of generation of code ('Code Injection') in the variables feature in Devolutions PowerShell Universal 2026.2.2 and earlier allows an authenticated user with variable write permission to execute arbitrary PowerShell code via a crafted variable value that is not properly escaped when written to the variables configuration file.

Weakness: CWE-94

Which versions are affected by CVE-2026-16801?

It affects 1 product.

Products include Devolutions Powershell Universal.

How do I fix CVE-2026-16801?

No fix has been published for CVE-2026-16801 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-16801 being exploited?

There is no known exploitation of CVE-2026-16801 in the wild and no public exploit code.

Sources

Also known as GHSA-r97q-2669-f2rm.