GHSA-wgvp-jj4w-88hfMediumCVSS 4.3

Mattermost Incorrect Authorization vulnerability

Published
June 30, 2025
Last Modified
June 30, 2025

🔗 CVE IDs covered (1)

CVE-2025-47871 →

📋 Description

Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive information about linked private channels including channel name, display name, and participant count through the run metadata API endpoint.

🎯 Affected products7

  • go/github.com/mattermost/mattermost-server:< 0.0.0-20250513065225-4ae5d647fb88
  • go/github.com/mattermost/mattermost/server/v8:< 8.0.0-20250513065225-4ae5d647fb88
  • go/github.com/mattermost/mattermost/server/v8:>= 9.11.0, < 9.11.16
  • go/github.com/mattermost/mattermost/server/v8:>= 10.5.0, < 10.5.6
  • go/github.com/mattermost/mattermost/server/v8:>= 10.6.0, < 10.6.6
  • go/github.com/mattermost/mattermost/server/v8:>= 10.7.0, < 10.7.3
  • go/github.com/mattermost/mattermost/server/v8:>= 10.8.0, < 10.8.1

🔗 References (3)