What's New in Version 6.21.1

The Securonix team is pleased to announce the availability of ThreatQ version 6.21.1. Below is a list of enhancements, important bugs that have been addressed, and upgrade instructions.

It is strongly encouraged to upgrade to this version at your earliest convenience as this upgrade includes fixes for the PHP2Shell Vulnerabilities. Contact Securonix Support if you are unable to upgrade and need assistance. 

ThreatQ Platform

The following bug fix and security update for the ThreatQ platform are included when you upgrade to 6.21.1.

Notable Bug Fixes

The following bug has been resolved with ThreatQ v6.21.1.

• Investigation Graph Object Additions – Fixed an issue affecting ThreatQ v6.21.0 that could prevent users from adding adversaries through search or graph expansion, and from adding selected indicators to the graph.

Security and System Updates

The following update has been made with ThreatQ v6.21.1:

• PHP Security Updates – Updated the PHP runtime used by the ThreatQ API to address PHP2Shell vulnerabilities CVE-2026-109618 and CVE-2026-109619.

Upgrading

Perform the following steps to upgrade your ThreatQ v6 instance.

After you start the upgrade, do not cancel the installation. Doing so will leave your system in an unusable state.

1. Perform a platform check to ensure adequate disk space and that your installed integrations are compatible with the new ThreatQ version. You will be unable to proceed with the upgrade until clearing this check. It is important to note that the command does not apply to integrations installed on third-party systems such as the ThreatQ App for QRadar.
   
   Platform Check Against the Most Recent ThreatQ Version
   # sudo /usr/local/bin/tqadmin platform check

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   Platform Check Against a Specific ThreatQ Version
   # sudo /usr/local/bin/tqadmin platform check -v 6.21.1

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2. Run the upgrade command:
   
   Upgrade to the Latest ThreatQ Version
   # sudo /usr/local/bin/tqadmin platform upgrade

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   Upgrade to a Specific ThreatQ Version
   # sudo /usr/local/bin/tqadmin platform upgrade -v 6.21.1

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New Installations

If you are installing ThreatQ version 6 for the first time, it is highly recommended that you review the ThreatQ 6x Installation section and guides before proceeding with installation. The guide provides useful information including:

• Required Firewall Ports
• Suggested Partitioning Scheme
• System Requirements (Hardware Specifications, Core CPUs, RAM etc.)
• Steps to pin your RHEL 9 and Ubuntu versions to prevent upgrades to unsupported environments
• Security Hardening Guides

Migrating ThreatQ v5 to v6

It is important that you use the correct ThreatQ version when migrating a ThreatQ v5 instance to ThreatQ v6.

• Migrating to ThreatQ v6.9.1 or greater requires a ThreatQ v5.29.5 backup file.
• Migrating to ThreatQ v6.9.0 and prior requires a ThreatQ v5.29.4 backup file.

Using a backup other than the ones listed above will result in a restore error.

Contact ThreatQ Support or your Technical Account Manager for additional information and to obtain the ThreatQ Migration Guide. The ThreatQuotient team highly recommends that you review the ThreatQ 6x Installation guide when planning your migration.

Support

As always, contact our Customer Support Team if you encounter problems when upgrading or need assistance.

Thank you,

The Securonix Support Team

support@securonix.com
ts.securonix.com
703.574.9893