The warning came from a global parliamentary network, rather than from New Zealand intelligence services.
"We also urge commercial sponsors of the Games to consider withdrawing their support."
China is now New Zealand's biggest trading partner, but some people have reservations about the closeness of this relationship.
The former Prime Minister has emerged as one of the few Western politicians who are strongly pro-China.
New Zealand is the country most in favour of choosing human rights over economic relations.
"I don't think it's in any country's interests to give the CCP coercive power over your economy."
She wouldn't go into much detail about what they discussed.
It was Joe Biden's debut at the summit.
The trip marks the first international travel by a New Zealand Minister since the COVID-19 pandemic began.