All vulnerabilities

Servers and applications

CVE-2023-6458

Mattermost webapp fails to validate route parameters in/<TEAM_NAME>/channels/<CHANNEL_NAME> allowing an attacker to perform a client-side path traversal.

Severity
Critical 9.8
Published
6 Dec 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.8.14, 8.1.5, 9.0.3, 9.1.2
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
  • From 9.0.0 before 9.0.3
  • From 9.1.0 before 9.1.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-6458
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-6458