are walnuts safe for bunnies?

i brought some treats for my lil bun, but i read that nuts and seeds arent safe for them. this was in a store brought snack-

Pea flakes (60.3%), graminaceous seeds, canary grass seed, nettle (5.3%), buckwheat, parsley (1.9%), carrot 1.9%, hemp seed, linseed, fennel seed, peppermint (1.5%), dandelion (1.2%), black cumin seed, vegetable starch, peas (0.4%), celeriac (0.3%), walnut (0.3%) , lovage (0.3%), apple (0.2%), hibiscus, elderberries (0.2%), pumpkin (0.2%), daisies (0.2%), violets, strawberries (0.2%) (all as dried ingredients). Protein 18.2%, crude fat 4.6%, crude fibre 7.4%, crude ash 4.3%, sodium 0.017%.

are they safe for my rabbit?

Walnuts are not toxic to Rabbits but they are very high in fat and likely to cause digestive disturbances. A Rabbit's digestive tract does not cope with food very high in fat or carbohydrates and the problems that can develop can become very serious. Personally I would avoid feeding treats containing nuts

You can find lots of 'natural' safe Bunny treats on this site

https://galensgarden.co.uk/shop/?bot_test=1

I agree with what JJ has said. A lot of the treats from pet shops etc intended for rabbits I wouldn’t feed my rabbits. I stick to forage, Apple or pear tree branches, and fibafirst sticks and good quality hay and my rabbits love them all.

It's a treat. It's just 0.3% walnut - close to nonexistent, just adds a tang of flavour. No problem whatsoever.
They can stomach some rich stuff, but pet bunnys don't need it.

As a treat, that nuggets don't look that bad. It's not meant to be a staple food. It's highly processed junkfood, Rabbit McDonalds, and there are a lot of options for cheaper and actually healthy treats.