Path traversal vulnerability exists in UTAU versions prior to v0.4.19. If a user of the product installs a crafted UTAU voicebank installer (.uar file, .zip file) to UTAU, an arbitrary file may be placed.

OS command injection vulnerability exists in UTAU versions prior to v0.4.19. If a user of the product opens a crafted UTAU project file (.ust file), an arbitrary OS command may be executed.

A vulnerability was found in stakira OpenUtau. It has been classified as critical. This affects the function VoicebankInstaller of the file OpenUtau.Core/Classic/VoicebankInstaller.cs of the component ZIP Archive Handler. The manipulation leads to path traversal. Upgrading to version 0.0.991 is able to address this issue. The identifier of the patch is 849a0a6912aac8b1c28cc32aa1132a3140caff4a. It is recommended to upgrade the affected component. The identifier VDB-217617 was assigned to this vulnerability.