It was found that Access Gateway is using some outdated and deprecated software libraries.
Included in what was found was jQuery 3.5.1
Release : 12.8.06
Access Gateway (SPS) 12.8.6 ships with JQuery 3.5.1 in and 12.8.7 ships with 3.6.0.
The latest published vulnerability for JQuery is prior to 3.5.0. If there is a newer CVE for newer versions, open a support case.
If a newer version of JQuery is required, it would be recommended to update to 12.8.7 AG.