What is GHSA-jwhw-xf5v-qgxc?

GHSA-jwhw-xf5v-qgxc is a security advisory published by GitHub Security Advisories with Low severity. Mattermost allows guest users to view information about public teams they are not members of

Which CVE IDs does GHSA-jwhw-xf5v-qgxc cover?

GHSA-jwhw-xf5v-qgxc covers the following CVE IDs: CVE-2025-4128. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jwhw-xf5v-qgxc?

GHSA-jwhw-xf5v-qgxc has a CVSS v3 base score of 3.1, published by GitHub Security Advisories.

Which products are affected by GHSA-jwhw-xf5v-qgxc?

GHSA-jwhw-xf5v-qgxc affects 3 products, including: go/github.com/mattermost/mattermost/server/v8:\u003c 8.0.0-20250422131222-701ddc896a10; go/github.com/mattermost/mattermost-server:\u003e= 10.5.0, \u003c 10.5.5; go/github.com/mattermost/mattermost-server:\u003e= 9.11.0, \u003c 9.11.14.

GHSA-jwhw-xf5v-qgxcLowCVSS 3.1

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

Vendor

GitHub Security Advisories

Published

June 11, 2025

Last Modified

June 11, 2025

🔗 CVE IDs covered (1)

CVE-2025-4128 →

📋 Description

Mattermost versions 10.5.x <= 10.5.4, 9.11.x <= 9.11.13 fail to properly restrict API access to team information, allowing guest users to bypass permissions and view information about public teams they are not members of via a direct API call to /api/v4/teams/{team_id}.

🎯 Affected products3

go/github.com/mattermost/mattermost/server/v8:< 8.0.0-20250422131222-701ddc896a10
go/github.com/mattermost/mattermost-server:>= 10.5.0, < 10.5.5
go/github.com/mattermost/mattermost-server:>= 9.11.0, < 9.11.14

🔗 References (5)

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