UpHeron
All vulnerabilities

Servers and applications

CVE-2024-39836

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.

Severity
Medium 6.5
Published
22 Aug 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.5.8, 9.8.3, 9.9.2, 9.10.1
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost
  • From 9.5.0 before 9.5.8
  • From 9.8.0 before 9.8.3
  • From 9.9.0 before 9.9.2
  • From 9.10.0 before 9.10.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-39836
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-39836