All vulnerabilities

Servers and applications

CVE-2024-36257

Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is…

Severity
Medium 5.3
Published
3 Jul 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.5.6
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost
  • From 9.5.0 before 9.5.6
  • Version 9.8.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-36257
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-36257