"...the WikiLeaks release said that the C.I.A. and allied intelligence services had managed to bypass encryption on popular phone and messaging services such as Signal, WhatsApp and Telegram."
Bypass, as in root the devices that these apps are running on. So, that means that within this dump there are no exploits for Signal, WhatsApp, etc. in particular. At least that's my understanding from what I've seen so far.
"...the WikiLeaks release said that the C.I.A. and allied intelligence services had managed to bypass encryption on popular phone and messaging services such as Signal, WhatsApp and Telegram."