medium6.8
CVE-2025-6233
Mattermost Path Traversal vulnerability
Impact
Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path traversal.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost-server | >= 10.8.0, < 10.8.2 | 10.8.2 |
| go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250529054450-d38c27f96fcf | 8.0.0-20250529054450-d38c27f96fcf |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | from 9.11.0 before 9.11.17 from 10.5.0 before 10.5.8 from 10.7.0 before 10.7.4 from 10.8.0 before 10.8.2 |