Go/github.com/mattermost/mattermost-server CVE-2025-4128: low 3.1, EPSS 0.22%

Mattermost allows guest users to view information about public teams they are not members of

Action: Upgrade github.com/mattermost/mattermost-server to 9.11.14 or later.

go get github.com/mattermost/mattermost-server@v10.5.5

go get github.com/mattermost/mattermost-server@v9.11.14

Affected

Fixed versions

Sources

• osv: GHSA-jwhw-xf5v-qgxc#Go/github.com/mattermost/mattermost-server
• https://nvd.nist.gov/vuln/detail/CVE-2025-4128
• https://github.com/mattermost/mattermost/commit/2138a5f2ca6f75e2b99f6a04ea569d0f680c4fab
• https://github.com/mattermost/mattermost/commit/701ddc896a107b13f457fbdbe229bce5019fc516
• https://github.com/mattermost/mattermost
• https://mattermost.com/security-updates

CVE-2025-4128 · published 2025-06-11T12:30:36Z · modified 2025-06-11T18:27:33.544415Z · JSON