https://www.pcmag.com/news/us-house-bans-whatsapp-on-staffers-devices-over-security-concerns
https://www.nytimes.com/2025/06/18/world/middleeast/iran-whatsapp-delete.html
And to your last comment about not being able to find anything, I don't believe you even tried: https://www.forbes.com/sites/daveywinder/2025/02/03/whatsapp-hack-attack-confirmed-by-meta-what-you-need-to-know/