All versions before 1.6.7 and all versions after 2.0.0 inclusive and before 2.8.2 of io.jooby:jooby and org.jooby:jooby are vulnerable to Directory Traversal via two separate vectors.
This affects the package io.jooby:jooby-netty before 1.6.9, from 2.0.0 and before 2.2.1. The DefaultHttpHeaders is set to false which means it does not validates that the header isn't being abused for HTTP Response Splitting.