GHSA-wj37-mpq9-xrcmMediumCVSS 4.3

Mattermost fails to limit the number of active sessions

Published
April 26, 2024
Last Modified
May 12, 2025

🔗 CVE IDs covered (1)

📋 Description

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.

🎯 Affected products4

  • go/github.com/mattermost/mattermost-server:>= 9.6.0-rc1, <= 9.6.0
  • go/github.com/mattermost/mattermost-server:>= 9.5.0, <= 9.5.2
  • go/github.com/mattermost/mattermost-server:>= 9.4.0, <= 9.4.4
  • go/github.com/mattermost/mattermost-server:>= 8.1.0, <= 8.1.11

🔗 References (7)