"I don't consider it a fault on your part. In fact I like to do much the same thing.
As long as your SO and the ppl you are snuggling with are fine with it I don't see a problem. At most you might want to work on who you snuggle with or how to not give the impression of wanting/allowing more than just snuggles.
I would be saddened if you were to cure yourself of snuggling with friends as I delight in snuggling with you. It's always a nice bonus when I come visit, not only do I get to spend time with you but I also get a nice dose of physical contact."