The Gluster file system through version 4.1.4 is vulnerable to abuse of the 'features/index' translator. A remote attacker with access to mount volumes could exploit this via the 'GF_XATTROP_ENTRY_IN_KEY' xattrop to create arbitrary, empty files on the target server.
https://security.gentoo.org/glsa/201904-06
https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14654
https://access.redhat.com/errata/RHSA-2018:3470