UpHeron
All vulnerabilities

Servers and applications

CVE-2024-42406

Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.

Severity
Medium 5.4
Published
26 Sept 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.5.9, 9.9.3, 9.10.2
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Version 9.11.0
  • Version 9.11.0-rc3
  • Version 9.11.0-rc2
  • Version 9.11.0-rc1
All 7 release lines
  • From 9.5.0 before 9.5.9
  • From 9.9.0 before 9.9.3
  • From 9.10.0 before 9.10.2
  • Version 9.11.0-rc1
  • Version 9.11.0-rc2
  • Version 9.11.0-rc3
  • Version 9.11.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-42406
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-42406