All vulnerabilities

Servers and applications

CVE-2024-34029

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/<group-id>/channels/<channel-id>/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.

Severity
Medium 4.3
Published
26 May 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.1.13, 9.5.4, 9.7.2
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 8.1.0 before 8.1.13
  • From 9.5.0 before 9.5.4
  • From 9.7.0 before 9.7.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-34029
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-34029