It was reported that US government has not found any evidence that Chinese government accessed TikTok data.
www.forbes.com
It was also reported that US government has used TikTok to spy on US citizens.
theintercept.com
US government Saying Chinese government may be able to use TikTok to spy is pure hypocrisy.

CIA Finds ‘No Evidence’ Chinese Government Has Accessed TikTok Data, Report Says
Though the intelligence agency said it’s possible the Chinese government could get TikTok data, it hasn’t done so yet.

It was also reported that US government has used TikTok to spy on US citizens.

BlueLeaks Reveals What TikTok Shares with U.S. Authorities
A glimpse at what TikTok does in the U.S. underscores that data privacy issues extend beyond China.

US government Saying Chinese government may be able to use TikTok to spy is pure hypocrisy.