UpHeron
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Servers and applications

CVE-2023-3581

Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.

Severity
High 8.1
Published
17 Jul 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.8.7, 7.9.5, 7.10.3
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 7.8.0 before 7.8.7
  • From 7.9.0 before 7.9.5
  • From 7.10.0 before 7.10.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-3581
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-3581