Sink and Stove Cabinet Separating from Side Wall

I have a 2013 model 2350.  The cabinet housing the sink and stove has pulled away from the side wall.  The area by the entry door is still tight -- the gap begins behind the sink and widens as it gets to the stove where it's a little over 1/8 inch.  This area is not in a slide out.

Of course I noticed this as I'm getting ready to leave on a five month trip.  I'm concerned about any service lines for propane, water, and drains that may be housed in or under this cabinet.  I'm completely useless when it comes to repairing anything.  Is this something I should be concerned about?  Thank you for helpful comments!!

If you push the cabinet with your hip, does the gap close up?  If the gap closes when pushed-in, the cabinet is confirmed to be loose.

What comes to mind is to remove the drawers and secure the cabinet to the back and side walls from inside the cabinet.  It could be something as simple as tightening existing screws.

It is not possible to say what could happen if you ignore the condition.  Maybe nothing, maybe something bad.

Does your side wall have the beveled mirror?  If so, you may run a risk of the counter-top hammering the bottom edge of the mirror of which is naturally a bad condition.