Mattermost versions 10.11.x <= 10.11.9 fail to enforce invite permissions when updating team settings, which allows team administrators without proper permissions to bypass restrictions and add users to their team via API requests. Mattermost Advisory ID: MMSA-2025-00561
Advisories

No advisories yet.

Fixes

Solution

Update Mattermost to versions 11.3.0, 10.11.10 or higher.


Workaround

No workaround given by the vendor.

References
History

Mon, 16 Feb 2026 12:30:00 +0000

Type Values Removed Values Added
Description Mattermost versions 10.11.x <= 10.11.9 fail to enforce invite permissions when updating team settings, which allows team administrators without proper permissions to bypass restrictions and add users to their team via API requests. Mattermost Advisory ID: MMSA-2025-00561
Title Team Admin Bypass of Invite Permissions via allow_open_invite Field
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 3.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2026-02-16T12:25:32.672Z

Reserved: 2025-12-12T11:53:22.972Z

Link: CVE-2025-14573

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-16T13:16:00.623

Modified: 2026-02-16T13:16:00.623

Link: CVE-2025-14573

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses