Security Advisory

CVE-2024-34029

4.3
MEDIUM

Vulnerability Description

Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1 and 8.1.x <= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups//channels//link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.
Published Date May 26, 2024
Official Source NIST NVD Advisory