I was looking at login-webflow.xml today (investigating an unrelated
problem), and noticed that it might be possible for a browser to get to
the "generic login success" page with an invalid TGT.

The ticketGrantingTicketExistsCheck state (line 11 in login-webflow.xml
for version 3.4.3) does not seem to check the validity of the TGT, only
its existence.  If there is no service parameter, you essentially end up
right at the "generic login success" view.  Of course, this doesn't
expose anything of value, as if you try this with a service parameter,
the bogus TGT is exposed and you're forced to log in.

Is my logic sound here, or am I missing something?

Thanks,
Rich

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