Improper neutralization of input during web page generation ('Cross-site Scripting') in the notifications feature in Devolutions PowerShell Universal 2026.3.0 and earlier allows an authenticated user with notification creation permission to execute arbitrary JavaScript in the browser of another user via a crafted notification target URL.

Unauthorized Reader Role Access to Automation Tests and Workflow Modification in Devolutions PowerShell Universal

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.

Cleartext Storage of Secret Variables in Devolutions PowerShell Universal

Cleartext storage of sensitive information in the variables feature in Devolutions PowerShell Universal 2026.2.2 and earlier allows a local actor with file system access to read secret values via secret variables stored in cleartext on disk when no vault is selected.

Code Injection via Unescaped Variable Values in PowerShell Universal

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.

Insertion of sensitive information into log file in the slow query logging feature in Devolutions PowerShell Universal 2026.2.5 and earlier allows an authenticated user with log read permission to obtain application tokens, data protection key material and other stored credentials via SQL parameter values written to the system log on instances backed by Microsoft SQL Server.

Improper control of generation of code ('Code Injection') in the settings feature in Devolutions PowerShell Universal 2026.2.3 and earlier allows an authenticated user with settings management permission to execute arbitrary PowerShell code via a crafted setting value that is not properly escaped when written to the settings configuration file.

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.

Insertion of sensitive information into sent data in the automation jobs API in Devolutions PowerShell Universal 2026.2.2 and earlier allows an authenticated user with scoped job or script read permission to obtain another user's stored OAuth refresh token via job read responses that fail to strip the refresh token.

Insertion of sensitive information into sent data in the AI Agent job API in Devolutions PowerShell Universal 2026.2.0 allows an authenticated user with AI Agent read access to obtain reusable, potentially higher-privileged authentication tokens via App Tokens serialized in plaintext in job API responses.

Improper access control on the API documentation endpoint in PowerShell Universal

Improper access control in Devolutions PowerShell Universal 2026.1.7 and earlier allows an unauthenticated remote attacker to obtain the OpenAPI specification of user-defined REST endpoints.

Cross‑Site Scripting in Devolutions PowerShell Universal

Cross-site Scripting vulnerability in Devolutions PowerShell Universal.This issue affects Powershell Universal: before 4.5.6, before 5.6.13.

Cleartext Storage of OIDC Client Secret in PowerShell Universal

The OpenID Connect (OIDC) authentication configuration in PowerShell Universal before 2026.1.3 stores the OIDC client secret in cleartext in the .universal/authentication.ps1 script, which allows an attacker with read access to that file to obtain the OIDC client credentials

Missing Authorization Checks in Devolutions PowerShell Universal gRPC Endpoints

Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.

Authenticated Route Override in Devolutions PowerShell Universal

Improper input validation in the apps and endpoints configuration in PowerShell Universal before 2026.1.4 allows an authenticated user with permissions to create or modify Apps or Endpoints to override existing application or system routes, resulting in unintended request routing and denial of service via a conflicting URL path.