@Bryan
Here is the list of fields I have access to:
alias
assigned_to
attach_data.thedata
attachments.description
attachments.filename
attachments.isobsolete
attachments.ispatch
attachments.isprivate
attachments.mimetype
attachments.submitter
blocked
bug_file_loc
bug_group
bug_id
bug_severity
bug_status
cc
cclist_accessible
cf_build_number
cf_device_os
cf_device_os_touchsense
cf_fixed_in_version
cf_hardware_parts
cf_root_cause
cf_version_string
classification
commenter
component
content
creation_ts
days_elapsed
deadline
delta_ts
dependson
estimated_time
everconfirmed
keywords
longdesc
longdescs.count
longdescs.isprivate
op_sys
owner_idle_time
percentage_complete
priority
product
qa_contact
remaining_time
rep_platform
reporter
reporter_accessible
requestees.login_name
resolution
see_also
setters.login_name
short_desc
status_whiteboard
tag
target_milestone
version
work_time
As you can see I don't have access to comments and attached files. After going through the bugzilla CLI code I am still not sure how I can access those attributes.