Cervantes through 0.5-alpha accepts insecure file uploads.
https://www.jinsonvarghese.com/stored-xss-file-upload-vulnerabilities-found-in-cervantes/
https://www.getastra.com/blog/vulnerability/xss-insecure-file-cervantes/
https://github.com/CervantesSec/cervantes/commit/78631a034d0fb3323a53fb7428b2022b29a0d2cd