UpHeron
All vulnerabilities

Servers and applications

CVE-2020-14458

An issue was discovered in Mattermost Server before 5.19.0. Attackers can discover private channels via the "get channel by name" API, aka MMSA-2020-0004.

Severity
High 7.5
Published
19 Jun 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.19.0
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version before 5.19.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-14458
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-14458