Devolutions PowerShell Universal up to 2026.2.2 Variables Feature variables configuration file variable value code injection

Summaryinfo

A vulnerability was found in Devolutions PowerShell Universal up to 2026.2.2 and classified as very critical. Affected by this vulnerability is an unknown functionality of the file variables configuration file of the component Variables Feature. The manipulation of the argument variable value results in code injection. This vulnerability is reported as CVE-2026-16801. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as very critical has been found in Devolutions PowerShell Universal up to 2026.2.2. Affected is an unknown code of the file variables configuration file of the component Variables Feature. The manipulation of the argument variable value with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at devolutions.net. This vulnerability is traded as CVE-2026-16801 since 07/23/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/24/2026). The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 2026.2.3 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Devolutions

Name

• PowerShell Universal

Version

• 2026.2.0
• 2026.2.1
• 2026.2.2

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Once again VulDB remains the best source for vulnerability data.

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