CVSS 3.1
4.3 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NCVE-2025-24526
Medium (4.3) in mattermost mattermost server. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 10.2.3, 10.3.3, 10.4.2.
Mattermost versions 10.1.x <= 10.1.3, 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to restrict channel export of archived channels when the "Allow users to view archived channels" is disabled which allows a user to export channel contents when they shouldn't have access to it
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
- CWE
- CWE-863
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-q8p2-2hwc-jw64 | Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20250110161910-96195f1bd746 | 8.0.0-20250110161910-96195f1bd746 |
| GHSA-q8p2-2hwc-jw64 | Go | github.com/mattermost/mattermost/server/v8 | >=9.11.0-rc1 <9.11.8 | 9.11.8 |
| GHSA-q8p2-2hwc-jw64 | Go | github.com/mattermost/mattermost/server/v8 | >=10.2.0-rc1 <10.2.3 | 10.2.3 |
| GHSA-q8p2-2hwc-jw64 | Go | github.com/mattermost/mattermost/server/v8 | >=10.3.0-rc1 <10.3.3 | 10.3.3 |
| GHSA-q8p2-2hwc-jw64 | Go | github.com/mattermost/mattermost/server/v8 | >=10.4.0-rc1 <10.4.2 | 10.4.2 |
| GO-2025-3481 | Go | github.com/mattermost/mattermost-server | >=9.11.0-rc1+incompatible <9.11.8+incompatible >=10.2.0-rc1+incompatible <10.2.3+incompatible >=10.3.0-rc1+incompatible <10.3.3+incompatible >=10.4.0-rc1+incompatible <10.4.2+incompatible | 9.11.8+incompatible, 10.2.3+incompatible, 10.3.3+incompatible, 10.4.2+incompatible |
| GO-2025-3481 | Go | github.com/mattermost/mattermost-server/v5 | all versions | no fix published |
| GO-2025-3481 | Go | github.com/mattermost/mattermost-server/v6 | all versions | no fix published |
| GO-2025-3481 | Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20250110161910-96195f1bd746 | 8.0.0-20250110161910-96195f1bd746 |