Mattermost security update 5.17.2 / 5.16.4 / 5.15.4 / 5.9.7 (ESR) released

We have released a recommended security update via Mattermost Team Edition 5.17.2, 5.16.4, 5.15.4, 5.9.7 (ESR) and Mattermost Enterprise Edition 5.17.2, 5.16.4, 5.15.4, 5.9.7 (ESR).

This security update addresses high level vulnerabilities discovered during a security research review by Juho Nurminen.

Follow the standard upgrade instructions to apply the updates.

Per the Mattermost Responsible Disclosure Policy, details of the update will be posted on our security updates page 30 days after release.

Install Mattermost 5.17.2

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