All vulnerabilities

Servers and applications

CVE-2023-27266

Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the /api/v4/users/me/teams API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.

Severity
Low 2.7
Published
27 Feb 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.7.0
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 5.12.0 before 7.7.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-27266
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-27266