CVE-2025-47871
published 2025-06-30CVE-2025-47871: 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…
medium5.4CVSS 3.1
AVNACLPRLUINSUCLILAN
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
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 0 < 0.0.0-20250513065225-4ae5d647fb88 | 0.0.0-20250513065225-4ae5d647fb88 |
| github.com | mattermost_mattermost-server | >= 10.5.0+incompatible < 10.5.6+incompatible | 10.5.6+incompatible |
| github.com | mattermost_mattermost-server | >= 10.6.0+incompatible < 10.6.6+incompatible | 10.6.6+incompatible |
| github.com | mattermost_mattermost-server | >= 10.7.0+incompatible < 10.7.3+incompatible | 10.7.3+incompatible |
| github.com | mattermost_mattermost-server | >= 10.8.0+incompatible < 10.8.1+incompatible | 10.8.1+incompatible |
| github.com | mattermost_mattermost-server | >= 9.11.0+incompatible < 9.11.16+incompatible | 9.11.16+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250513065225-4ae5d647fb88 | 8.0.0-20250513065225-4ae5d647fb88 |
| github.com | mattermost_mattermost_server_v8 | >= 10.5.0 < 10.5.6 | 10.5.6 |
| github.com | mattermost_mattermost_server_v8 | >= 10.6.0 < 10.6.6 | 10.6.6 |
| github.com | mattermost_mattermost_server_v8 | >= 10.7.0 < 10.7.3 | 10.7.3 |
| github.com | mattermost_mattermost_server_v8 | >= 10.8.0 < 10.8.1 | 10.8.1 |
| github.com | mattermost_mattermost_server_v8 | >= 9.11.0 < 9.11.16 | 9.11.16 |
| mattermost | mattermost | — | — |
| mattermost | mattermost | 10.5.0 – 10.5.5 | — |
| mattermost | mattermost | 10.6.0 – 10.6.5 | — |
| mattermost | mattermost | 10.7.0 – 10.7.2 | — |
| mattermost | mattermost | 9.11.0 – 9.11.15 | — |
| mattermost | mattermost_server | — | — |
| mattermost | mattermost_server | >= 10.5.0 < 10.5.6 | 10.5.6 |
| mattermost | mattermost_server | >= 10.6.0 < 10.6.6 | 10.6.6 |
| mattermost | mattermost_server | >= 10.7.0 < 10.7.3 | 10.7.3 |
| mattermost | mattermost_server | >= 9.11.0 < 9.11.16 | 9.11.16 |