8 species have Cursed Body as a hidden ability, 3 as a normal one

Effect, in PokéAPI's words

“Has a 30% chance of Disabling any move that hits the Pokémon.”

As a hidden ability

Species	Slot	Note
Shuppet	Hidden	Since Generation V
Banette	Hidden	Since Generation V
Froslass	Hidden	Since Generation V
Sinistea	Hidden
Polteageist	Hidden
Dreepy	Hidden
Drakloak	Hidden
Dragapult	Hidden

As a normal ability

Species	Slot	Note
Gengar	Normal	Since Generation VII
Frillish	Normal
Jellicent	Normal

Elsewhere in PokéAPI

4 more holders without a page here

Alternate forms and other species that PokéAPI lists with Cursed Body.

Marowak Alola, Marowak Totem, Corsola Galar (hidden), Gengar Gmax