Vulnerability · Published May 29, 2025 · Assigned by Mattermost
CVE-2025-3913Team Privacy Settings Authorization Bypass in Mattermost Server
Medium 5.3
In plain English
A medium-severity incorrect authorization in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the 'invite user' permission to access and modify team invite IDs via the /api/v4/teams/:teamId/privacy endpoint.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 10.5.4+incompatible, 10.6.3+incompatible, 10.7.1+incompatible, 9.11.13+incompatible | GO-2025-3724 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2025-3724 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2025-3724 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.11.13 | GHSA-4mmr-2w8p-whcr |
| Go | github.com/mattermost/mattermost/server/v8 | 8.0.0-20250412152950-02c76784380a | GHSA-4mmr-2w8p-whcr |
| Go | github.com/mattermost/mattermost/server/v8 | 10.7.1 | GHSA-4mmr-2w8p-whcr |
| Go | github.com/mattermost/mattermost/server/v8 | 8.0.0-20250412152950-02c76784380a | GO-2025-3724 |
| Go | github.com/mattermost/mattermost/server/v8 | 10.6.3 | GHSA-4mmr-2w8p-whcr |
| Go | github.com/mattermost/mattermost/server/v8 | 10.5.4 | GHSA-4mmr-2w8p-whcr |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 10.7.010.6.0 – through 10.6.210.5.0 – through 10.5.39.11.0 – through 9.11.12 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N