/etc/cobbler/pxe/ is in cobbler-common 2.4.1-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/etc/cobbler/pxe/bootcfg_esxi5.template
/etc/cobbler/pxe/bootcfg_esxi51.template
/etc/cobbler/pxe/bootcfg_esxi55.template
/etc/cobbler/pxe/efidefault.template
/etc/cobbler/pxe/gpxe_system_esxi5.template
/etc/cobbler/pxe/gpxe_system_freebsd.template
/etc/cobbler/pxe/gpxe_system_linux.template
/etc/cobbler/pxe/gpxe_system_local.template
/etc/cobbler/pxe/grubprofile.template
/etc/cobbler/pxe/grubsystem.template
/etc/cobbler/pxe/pxedefault.template
/etc/cobbler/pxe/pxelocal.template
/etc/cobbler/pxe/pxelocal_ia64.template
/etc/cobbler/pxe/pxelocal_s390x.template
/etc/cobbler/pxe/pxeprofile.template
/etc/cobbler/pxe/pxeprofile_arm.template
/etc/cobbler/pxe/pxeprofile_esxi.template
/etc/cobbler/pxe/pxeprofile_s390x.template
/etc/cobbler/pxe/pxesystem.template
/etc/cobbler/pxe/pxesystem_arm.template
/etc/cobbler/pxe/pxesystem_esxi.template
/etc/cobbler/pxe/pxesystem_ia64.template
/etc/cobbler/pxe/pxesystem_ppc.template
/etc/cobbler/pxe/pxesystem_s390x.template
/etc/cobbler/pxe/s390x_conf.template
/etc/cobbler/pxe/s390x_parm.template