Devolutions PowerShell Universal up to 2026.2.2 Schedule Feature schedule code injection

Summaryinfo

A vulnerability has been found in Devolutions PowerShell Universal up to 2026.2.2 and classified as very critical. Affected is an unknown function of the component Schedule Feature. The manipulation of the argument schedule leads to code injection. This vulnerability is documented as CVE-2026-16800. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Devolutions PowerShell Universal up to 2026.2.2. It has been rated as very critical. This issue affects an unknown part of the component Schedule Feature. The manipulation of the argument schedule with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at devolutions.net. The identification of this vulnerability is CVE-2026-16800 since 07/23/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/24/2026). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 2026.2.3 eliminates this vulnerability.

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Productinfo

Vendor

• Devolutions

Name

• PowerShell Universal

Version

• 2026.2.0
• 2026.2.1
• 2026.2.2

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CPE 2.2info

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