UpHeron
All vulnerabilities

Servers and applications

CVE-2023-47858

Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.

Severity
Medium 4.3
Published
2 Jan 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.1.7, 9.0.5, 9.1.4, 9.2.3
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version before 8.1.7
  • From 9.0.0 before 9.0.5
  • From 9.1.0 before 9.1.4
  • From 9.2.0 before 9.2.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-47858
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-47858