UpHeron
All vulnerabilities

Servers and applications

CVE-2023-6459

Mattermost is grouping calls in the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.

Severity
Medium 5.3
Published
6 Dec 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.8.14, 8.1.5
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version before 7.8.14
  • From 8.0.0 before 8.1.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-6459
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-6459