RobH_en_tn/num/14/37.md

these men who had brought out a bad report about the land were struck down, and they died of a plague before Yahweh

The phrase "plague before Yahweh" shows that Yahweh struck them down. This can be stated in active form. Alternate translation: "Yahweh struck down these men who had brought out a bad report about the land, and they died" (See: rc://en/ta/man/translate/figs-explicit)