Yes. In this thread: http://forums.freenas.org/index.php?threads/its-bashs-turn-t... a user speculates that bash is included only for user convenience. I didn't know if repeating this speculation was HN-worthy, so I only reported what I knew for fact.

The following indicates than a patched bash is forthcoming: http://lists.freenas.org/pipermail/freenas-commit/2014-Septe...