Mattermost has an unspecified vulnerability (CNVD-2022-65346)

Mattermost is an open source collaboration platform from Mattermost, Inc. Guest is an application product. Mattermost 6.7.0 and earlier versions have a security vulnerability that stems from the guest account feature not properly restricting permissions, which could be exploited by an attacker to obtain a list of all public channels in a team.