CVE-2026-16800 Code injection in PowerShell Universal
Authenticated users with schedule permissions can execute arbitrary PowerShell code via crafted parameter names 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-2026-16800?
CVE-2026-16800 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 schedule feature in Devolutions PowerShell Universal 2026.2.2 and earlier allows an authenticated user with schedule creation permission to execute arbitrary PowerShell code via crafted schedule parameter names concatenated into a script invocation.
Weakness: CWE-94
Which versions are affected by CVE-2026-16800?
It affects 1 product.
Products include Devolutions Powershell Universal.
How do I fix CVE-2026-16800?
No fix has been published for CVE-2026-16800 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-2026-16800 being exploited?
There is no known exploitation of CVE-2026-16800 in the wild and no public exploit code.
Other vulnerabilities in Devolutions PowerShell Universal
- CVE-2026-16801 Code injection in PowerShell Universal
- CVE-2026-16798 Information disclosure in PowerShell Universal
- CVE-2026-16802 Information disclosure in PowerShell Universal
- CVE-2026-13437 Information disclosure in PowerShell Universal
- CVE-2026-16799 Missing authorization in PowerShell Universal
Sources
Also known as GHSA-7qq8-3vqq-3796.