UpHeron
All vulnerabilities

Servers and applications

CVE-2019-20878

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Changes, within the application, to e-mail addresses are mishandled.

Severity
Medium 4.3
Published
19 Jun 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.10.8, 5.7.3, 5.8.1
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Version 5.9.0-rc4
  • Version 5.9.0-rc3
  • Version 5.9.0-rc2
  • Version 5.9.0-rc1
All 7 release lines
  • Every version before 4.10.8
  • From 5.7.0 before 5.7.3
  • From 5.8.0 before 5.8.1
  • Version 5.9.0-rc1
  • Version 5.9.0-rc2
  • Version 5.9.0-rc3
  • Version 5.9.0-rc4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-20878
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-20878