UpHeron
All vulnerabilities

Servers and applications

CVE-2023-49809

Mattermost fails to handle a null request body in the /add endpoint, allowing a simple member to send a request with null request body to that endpoint and make it crash. After a few repetitions, the plugin is disabled.

Severity
Medium 6.5
Published
12 Dec 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version up to 8.1.5
  • From 9.0.0 up to 9.1.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-49809
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-49809