Problem
Some commands like volt get, volt rm, ... could modify files under $HOME/volt and $HOME/.vim with root privilege.
It can cause a problem when volt accesses to the files (e.g. permission denied).
Solution
Volt must not creates files with root permission under /home/{user}/volt, /home/{user}/.vim.
Link
Plugins for Popular Text Editors Could Help Hackers Gain Elevated Privileges
This post describes the problem of editors which have plugin system, and plugins are executed in same permission with that editor.
It is 'security' issue at 'runtime. it is different topic and not related to the problem of this issue directly.
But I found this problem when reading this post.