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CVE-2025-4128

Mattermost Guest User Information Disclosure Vulnerability PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Mattermost / Mattermostaffected 10.5.0 through 10.5.4; affected 9.11.0 through 9.11.13; unaffected 10.8.0; unaffected 10.5.5; unaffected 9.11.14

CWE

CWE-863

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.