C.I.A. Issued Warnings of Potential Gaza Flare-up Before Hamas AttackReports issued days before the Hamas attack did not foresee such a deadly strike, but did say rocket attacks were possible.
Source: C.I.A. Issued Warnings of Potential Gaza Flare-up Before Hamas Attack (https://www.nytimes.com/2023/10/13/us/politics/cia-reports-gaza-hamas-israel.html)