UpHeron
All vulnerabilities

Servers and applications

CVE-2022-2408

The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.

Severity
Medium 4.3
Published
14 Jul 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.3.8
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost
  • Every version before 6.3.8
  • From 6.4.0 up to 6.5.1
  • Version 6.6.0
  • Version 6.6.1
  • Version 6.7.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-2408
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-2408