Database
[{"_id":ObjectId("63c7ca9584535c160ee4aaed"),"status":"REJECTED","steps":[{"_id":ObjectId("63c7ca9884535c160ee4ab03"),"status":"REJECTED","stepUsers":[{"_id":ObjectId("63c7ca9884535c160ee4ab04"),"status":"REJECTED",}]},]}]
Query
db.collection.update({_id:ObjectId("63c7ca9584535c160ee4aaed")},{$set:{"steps.$[steps].stepUsers.$[stepUsers].status":"PENDING",}},{arrayFilters:[{"steps._id":ObjectId("63c7ca9884535c160ee4ab03")},{"stepUsers._id":ObjectId("63c7ca9884535c160ee4ab04")}]})