Is 49ers defense vulnerable to rushing QB?

Is the 49ers defense particularly vulnerable to running quarterbacks? The Athletic discusses in their Truth or Myth series:

“So we can dig deeper and look at expected points added (EPA) from TruMedia. …

What about QB scrambles? That is where the 49ers have struggled. They rank 30th in EPA and 31st in EPA per snap on QB scrambles. One thing to keep in mind is that we’re dealing with a relatively small sample and one bad game can have a huge impact. Murray’s game against the 49ers in September was the best scrambling performance in terms of EPA by a quarterback all season. If we were to remove that game, the 49ers would rank in the top 10 against scrambles.”

Full article: The Athletic