UpHeron
All vulnerabilities

Servers and applications

CVE-2023-1774

When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.

Severity
Medium 5.4
Published
31 Mar 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.1.6
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version before 7.1.6
  • Version 7.7.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-1774
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-1774