CVE-2025-14573

Team Admin Bypass of Invite Permissions via allow_open_invite Field

Published Feb 16, 2026 CVSS 3.1 · 3.8 Low EPSS < 1% KEV · Not listed
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

Remediation

Vendor Solution

Update Mattermost to versions 11.3.0, 10.11.10 or higher.

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-cgjg-p2m2-qm4p Mattermost fails to enforce invite permissions when updating team settings
References
History
Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost
Vendors & Products Mattermost
Mattermost mattermost
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Feb 17, 2026, 5:05 PM
Reserved
Dec 12, 2025, 11:53 AM
Status
Analyzed
Published
Feb 16, 2026, 1:16 PM
Modified
Jun 17, 2026, 8:36 AM