UpHeron
All vulnerabilities

Servers and applications

CVE-2023-48732

Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.

Severity
Medium 4.3
Published
2 Jan 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.1.7
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version before 8.1.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-48732
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-48732