Django 2.2.21 release notes

May 4, 2021

Django 2.2.21 fixes a security issue in 2.2.20.

CVE-2021-31542: Potential directory-traversal via uploaded files

MultiPartParser, UploadedFile, and FieldFile allowed directory-traversal via uploaded files with suitably crafted file names.

In order to mitigate this risk, stricter basename and path sanitation is now applied.