Mistune before 3.3.0 Path Traversal via include Directive

Summary

Mistune before 3.3.0 contains a path traversal vulnerability in the RST include directive that allows attackers to read arbitrary files by supplying relative or absolute paths. Attackers can submit markdown containing include directives referencing ../ sequences or absolute paths to embed sensitive files like credentials or environment data in rendered HTML.

Affected versions

• lepture mistune

  fixed in 3.3.0

References 2