From Longman Dictionary of Contemporary Englishrumour/legend/word has itrumour/legend/word has itused when you are reporting what people say or what a story says Rumour has it that Kim is not his child. → have
Examples from the Corpus
rumour/legend/word has it• Turn right to the Cerne Giant viewing point. Legend has it that a real giant terrorised the locals.• His name is cited in the four gospels. Legend has it that he obtained the holy grail from the last supper.• It started with a cross placed along the railroad tracks, where legend has it that he was lynched.• And rumour has it that the big-name band will be outrageous rockers Guns N' Roses.• After all, stranger things have happened: legend has it that the hooked burrs of plants inspired the invention of Velcro.• But word has it that the Tucson Symphony is taking over the building sometime in mid-December.• Pass the spliff, mon. Word has it the band is compelling as hell in person.• This was initiated, so legend has it, when the lavatories were out of order. 