All vulnerabilities

Servers and applications

CVE-2024-4183

Mattermost versions 8.1.x before 8.1.12, 9.6.x before 9.6.1, 9.5.x before 9.5.3, 9.4.x before 9.4.5 fail to limit the number of active sessions, which allows an authenticated attacker to crash the server via repeated requests to the getSessions API after flooding the sessions table.

Severity
Medium 6.5
Published
26 Apr 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.1.12, 9.4.5, 9.5.3, 9.6.1
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 8.1.0 before 8.1.12
  • From 9.4.0 before 9.4.5
  • From 9.5.0 before 9.5.3
  • From 9.6.0 before 9.6.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-4183
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-4183