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

Ironman PowerShell Universal 5.x before 5.0.12 allows an authenticated attacker to elevate their privileges and view job information.

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.

The API endpoints in Ironman PowerShell Universal 3.0.0 through 4.2.0 allow remote attackers to execute arbitrary commands via crafted HTTP requests if a param block is used, due to invalid sanitization of input strings. The fixed versions are 3.10.2, 4.1.10, and 4.2.1.

The Web Server in Ironman Software PowerShell Universal v3.x and v2.x allows for directory traversal outside of the configuration directory, which allows a remote attacker with administrator privilege to create, delete, update, and display files outside of the configuration directory via a crafted HTTP request to particular endpoints in the web server. Patched Versions are 3.5.3 and 3.4.7.

Escalation of privileges in the Web Server in Ironman Software PowerShell Universal 2.x and 3.x allows an attacker with a valid app token to retrieve other app tokens by ID via an HTTP web request. Patched Versions are 3.5.3, 3.4.7, and 2.12.6.