CVSS 3.1
4.9 mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NCVE-2025-6233
Medium (4.9) in mattermost mattermost server. EPSS 0.4% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-server 10.5.8, 10.5.8+incompatible, 10.7.4.
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.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
- CWE
- CWE-22
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-wvw2-3jh4-4c39 | Go | github.com/mattermost/mattermost-server | >=10.8.0 <10.8.2 | 10.8.2 |
| GHSA-wvw2-3jh4-4c39 | Go | github.com/mattermost/mattermost-server | >=10.7.0 <10.7.4 | 10.7.4 |
| GHSA-wvw2-3jh4-4c39 | Go | github.com/mattermost/mattermost-server | >=10.5.0 <10.5.8 | 10.5.8 |
| GHSA-wvw2-3jh4-4c39 | Go | github.com/mattermost/mattermost-server | >=9.11.0 <9.11.17 | 9.11.17 |
| GHSA-wvw2-3jh4-4c39 | Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20250529054450-d38c27f96fcf | 8.0.0-20250529054450-d38c27f96fcf |
| GO-2025-3820 | Go | github.com/mattermost/mattermost-server | >=9.11.0+incompatible <9.11.17+incompatible >=10.5.0+incompatible <10.5.8+incompatible >=10.7.0+incompatible <10.7.4+incompatible >=10.8.0+incompatible <10.8.2+incompatible | 9.11.17+incompatible, 10.5.8+incompatible, 10.7.4+incompatible, 10.8.2+incompatible |
| GO-2025-3820 | Go | github.com/mattermost/mattermost-server/v5 | all versions | no fix published |
| GO-2025-3820 | Go | github.com/mattermost/mattermost-server/v6 | all versions | no fix published |
| GO-2025-3820 | Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20250529054450-d38c27f96fcf | 8.0.0-20250529054450-d38c27f96fcf |