The orchest/orchest repository before 2022.05.0 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.
https://github.com/orchest/orchest/releases/tag/v2022.05.0
https://github.com/orchest/orchest/pull/913
https://github.com/github/securitylab/issues/669#issuecomment-1117265726