medium4.3
CVE-2025-24526
Mattermost fails to restrict channel export of archived channels
Impact
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
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250110161910-96195f1bd746 | 8.0.0-20250110161910-96195f1bd746 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | from 9.11.0 before 9.11.8 from 10.1.0 before 10.1.4 from 10.2.0 before 10.2.3 from 10.3.0 before 10.3.3 from 10.4.0 before 10.4.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-q8p2-2hwc-jw64
- https://nvd.nist.gov/vuln/detail/CVE-2025-24526
- https://github.com/mattermost/mattermost-plugin-channel-export/issues/51
- https://github.com/mattermost/mattermost-plugin-channel-export/commit/3c052b66207fb734bfc4c948941e7f7522a82550
- https://github.com/mattermost/mattermost/commit/96195f1bd7467f572525c35b5087acaeb53daa63