TIBCO Hawk 5.2.0 Hotfix 07 is released for all supported platforms. Listed below is a summary of updates included in this Hotfix. Please refer to the attached Readme for additional details.
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Closed Issues in 5.2.0.hotfix07 (This Release)

HK-7198
The commons-fileupload-1.2.1.jar bundled with Hawk 5.2.0-HF6 had
security vulnerabilities. So we have upgraded this jar to the version
commons-fileupload-1.4. 

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This hotfix can be downloaded from TIBCO Support Customer Portal Web UI(https://support.tibco.com). You will need to provide your TIBCO Support Portal credentials. Once logged in you can download the hotfix by selecting the “Downloads” -> “Hotfixes” option under:

/AvailableDownloads/Hawk/5.2.0/hotfix7/

OR

The customer will be able to download the Hotfix by using direct link to /AvailableDownloads/Hawk/5.2.0/hotfix7/
https://support.tibco.com/s/hotfixes?id=a011a000009Rxk1AAC
 

OR

Refer to  Article 000022290 : How can TIBCO customers download / access all GA hotfixes
Link to Article  000022290 :https://support.tibco.com/s/article/hotfix

Please contact TIBCO Support if you have any problems finding or downloading this hotfix.