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
Published: 2026-02-16
Score: 3.8 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

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

Wed, 18 Feb 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server

Tue, 17 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 17 Feb 2026 09:00:00 +0000

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

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'}


Subscriptions

Mattermost Mattermost Mattermost Server
cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2026-02-17T17:05:49.640Z

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

Link: CVE-2025-14573

cve-icon Vulnrichment

Updated: 2026-02-17T16:42:11.621Z

cve-icon NVD

Status : Analyzed

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

Modified: 2026-02-18T20:18:01.113

Link: CVE-2025-14573

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-17T08:49:44Z

Weaknesses