iPhone 11 iOS 13.2.3 Jailbreak
There's no way to jailbreak an iPhone 11, iPhone 11 Pro, or iPhone 11 Pro Max.
There are jailbreak tools available for iOS 12, but you can't downgrade your iPhone 11 to iOS 12.
Devs have also released an iOS 13 jailbreak, but it's currently in beta and it's not available for newer iPhone models.
That could change down the road and we'll let you know if it does.