GHSA-gq3r-5833-5532MediumCVSS 6.8

Mattermost Fails to Validate File Paths

Published
August 21, 2025
Last Modified
August 29, 2025

🔗 CVE IDs covered (1)

CVE-2025-36530 →

📋 Description

Mattermost versions 10.9.x <= 10.9.1, 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin signature enforcement and marketplace restrictions.

🎯 Affected products7

  • go/github.com/mattermost/mattermost-server:>= 10.9.0, <= 10.9.1
  • go/github.com/mattermost/mattermost-server:>= 10.8.0, <= 10.8.3
  • go/github.com/mattermost/mattermost-server:>= 10.5.0, <= 10.5.8
  • go/github.com/mattermost/mattermost-server:>= 9.11.0, <= 9.11.17
  • go/github.com/mattermost/mattermost/server/v8:< 8.0.0-20250619095651-9dd0b3943e55
  • go/github.com/mattermost/mattermost-server/v5:<= 5.11.1
  • go/github.com/mattermost/mattermost-server/v6:<= 6.7.2

🔗 References (4)