Django 2.2.18 release notes
February 1, 2021
Django 2.2.18 fixes a security issue with severity “low” in 2.2.17.
CVE-2021-3281: Potential directory-traversal via archive.extract()
The django.utils.archive.extract()
function, used by startapp —template and startproject —template, allowed directory-traversal via an archive with absolute paths or relative paths with dot segments.