Two lawmakers have asked the government’s most senior U.S. intelligence official to assess if video-sharing app TikTokcould pose “national security risks” to the United States.

In a letter by Sens. Charles Schumer (D-NY) and Tom Cotton (R-AR), the lawmakers asked the acting director of national intelligence Joseph Maguire if the app maker could be compelled to turn Americans’ data over to the Chinese authorities.

TikTokhas some 110 million downloads to date and has spiked in popularity for its ability to record short, snappy videos that are sharable across social media networks. But the lawmakers say because TikTok is owned by a Beijing-based company, it could be compelled by the Chinese government to turn over user data — such as location data, cookies, metadata and more — even if it’s stored on servers it owns in the United States.

Both Schumer and Cotton warn that TikTok’s parent company, ByteDance, is “still required