Advisories for Nuget/CliInvoke.Specializations package

2026

CliInvoke.Specializations has command injection in PowerShell and Cmd shell wrappers

An OS command injection vulnerability exists in the PowerShell and Cmd shell wrappers provided by the CliInvoke.Specializations package (the PowershellProcessInvoker/CmdProcessInvoker invokers, and the UsePowerShell/UseCmd middleware in v3 pre-release versions). The wrappers re-run a caller-supplied target and arguments inside a shell command (pwsh -Command … / cmd /c …). In affected versions the wrapped command was delivered to the operating system as a single ProcessStartInfo.Arguments string. The OS command-line parser re-tokenizes …