In Play Framework 2.6.0 through 2.8.1, the CSRF filter can be bypassed by making CORS simple requests with content types that contain parameters that can't be parsed.
https://github.com/advisories/GHSA-cf8j-64h9-6q58
https://www.playframework.com/security/vulnerability/CVE-2020-12480-CsrfBlacklistBypass