Bound on the index of a multisection for Calabi–Yau elliptic fibrations

Let $X \to B$ be an elliptic fibration with $X$ a Calabi–Yau variety, and let $n$ be the index of a multisection.

Multisection-index conjecture. One has

$$n \leq 6.$$

This is an explicit predicted bound on multisection indices in the context of spectrum bounds and the Swampland Program. The supplied text does not provide evidence that the bound has been proved or disproved.