Mattermost Desktop App v5.13.6 ESR security update released

We’re informing you about a Mattermost security update, which addresses Medium severity vulnerabilities. We highly recommend that you apply the update. The security update is available for Mattermost Desktop App dot release 5.13.6 (Extended Support Release). It is available for download here.

The 5.13.6 version also includes the following fixes: 

• Fixed an issue where overly long URLs were not handled correctly.
• Fixed an issue related to authentication on non-configured domains.
• Improved robustness of the downloads handler when handling unexpected network responses.

Customer safety and data security are the utmost priorities for Mattermost. For our customers’ protection, and as outlined in our Responsible Disclosure policy, Mattermost does not disclose specifics on this vulnerability until 30 days after this announcement. After 30 days, we will publish specific details on the vulnerability on our Security Updates webpage.