CVE-2019-20869

Name of the Vulnerable Software and Affected Versions Mattermost Server versions prior to 5.10.0 Mattermost Server versions prior to 5.9.1 Mattermost Server versions prior to 5.8.2 Mattermost Server versions prior to 4.10.9

Description A non-member could change the "Update/Patch Channel" endpoint for a private channel, which is a security issue.

Recommendations For versions prior to 5.10.0, update to version 5.10.0 or later. For versions prior to 5.9.1, update to version 5.9.1 or later. For versions prior to 5.8.2, update to version 5.8.2 or later. For versions prior to 4.10.9, update to version 4.10.9 or later.