CVE-2025-4128
Mattermost Guest User Information Disclosure Vulnerability
Summary
Mattermost Guest User Information Disclosure Vulnerability
Original description
The description as published by the source.
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}.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory nvd.nist.gov
- web mattermost.com