GridServer 7.0.0 Hotfix12 has been released. Here are the release notes:
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Introduction

This Hotfix is not cumulative.

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Affected Components for 7.0.0_hotfix12

The following components are updated by this hotfix:

Tomcat

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Closed Issues in 7.0.0_hotfix12 (This Release)

Tomcat
GS-18135
Apache Tomcat has been upgraded to version 8.5.88.

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To download this hotfix, login to the Support Portal and navigate to Downloads > Hotfixes > AvailableDownloads > DataSynapse > GridServer > 7.0.0.

GridServer 7.0.0 Hotfix12 Release Announcement