UpHeron
All vulnerabilities

Servers and applications

CVE-2024-1888

Mattermost fails to check the "invite_guest" permission when inviting guests of other teams to a team, allowing a member with permissions to add other members but not to add guests to add a guest to a team as long as the guest was already a guest in another team of the server

Severity
Medium 4.3
Published
29 Feb 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.1.9, 9.2.5, 9.3.1, 9.4.2
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version before 8.1.9
  • From 9.2.0 before 9.2.5
  • From 9.3.0 before 9.3.1
  • From 9.4.0 before 9.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-1888
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-1888