By Daniel Burke, CNN Belief Blog Co-Editor
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(CNN) - Pope Francis said a “gay lobby” exists inside the Vatican, a surprising disclosure from a pope who has already delivered his share of stunners, and a resurrection of church conflicts that had bedeviled his predecessor's papacy.

“In the Curia,” Francis said, referring to Catholicism’s central bureaucracy, “there are holy people. But there is also a stream of corruption.”

“The 'gay lobby' is mentioned, and it is true, it is there,” Francis continued. “We need to see what we can do.”

READ MORE: The pope said what? Six stunners from Francis

Hints that the Holy See contained a network of gay clergy surfaced last year in reports about a series of embarrassing leaks to Italian journalists.

The "Vatileaks" scandal factored in Pope Emeritus Benedict XIV's shocking decision to resign earlier this year, according to some church experts, as it impressed upon the 86-year-old pontiff that the modern papacy requires a vigorous and watchful presence.

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