Question on os.tempnam() vulnerability

[cameronwong88 at gmail.com]

Hello,

Does any one know what kind of security risk these message are
suggesting?

>>> f = os.tempnam()
__main__:1: RuntimeWarning: tempnam is a potential security risk to
your program
>>> f
'/tmp/filed4cJNX'

>>> g = os.tmpnam()
__main__:1: RuntimeWarning: tmpnam is a potential security risk to
your program
>>> g
'/tmp/fileENAuNw'

Thanks,
~cw