opensolon org.noear.solon.core.handle.RenderManager aa render_mav path traversal

A vulnerability classified as problematic was found in opensolon up to 3.1.0. This vulnerability affects the function render_mav of the file /aa of the component org.noear.solon.core.handle.RenderManager. The manipulation of the argument template with the input ../org/example/HelloApp.class leads to path traversal: '../filedir'. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.