CVE-2019-20889

Name of the Vulnerable Software and Affected Versions Mattermost Server versions prior to 5.7 Mattermost Server version 5.6.3 and earlier Mattermost Server version 5.5.2 and earlier Mattermost Server version 4.10.5 and earlier

Description The issue concerns the mishandling of permissions for user-access token creation.

Recommendations For versions prior to 5.7, update to version 5.7 or later. For version 5.6.3 and earlier, update to version 5.6.3 or later, then update to version 5.7 or later. For version 5.5.2 and earlier, update to version 5.5.2 or later, then update to version 5.7 or later. For version 4.10.5 and earlier, update to version 4.10.5 or later, then update to version 5.7 or later.