UpHeron
All vulnerabilities

Servers and applications

CVE-2018-21260

An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. WebSocket events were accidentally sent during certain user-management operations, violating user privacy.

Severity
Low 2.7
Published
19 Jun 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.6.3, 4.7.4, 4.8.1
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 4.6.0 before 4.6.3
  • From 4.7.0 before 4.7.4
  • From 4.8.0 before 4.8.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-21260
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-21260