The woduq1414/munhak-moa repository before 2022-05-03 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.
https://github.com/woduq1414/munhak-moa/commit/e8f800373b20cb22de70c7a994325b8903877da0
https://github.com/github/securitylab/issues/669#issuecomment-1117265726