Server-Side Request Forgery / Local File Inclusion in Apache MyFace Core. Older unsupported versions may also be affected. Users are recommended to upgrade to versions 2.3.12, 2.3-next-M9, 3.0.4, 4.0.4, or 4.1.4, which fix this issue.
https://lists.apache.org/thread/4kwh2dys1sdcm3o4pbk41t2lt9or72qq