Description
Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.
Published: 2025-01-09
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 10.3.0, 9.11.6 or higher.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-0038 Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.
Github GHSA Github GHSA GHSA-q8fg-cp3q-5jwm Mattermost Incorrect Authorization vulnerability
History

Mon, 29 Sep 2025 17:45:00 +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

Sat, 11 Jan 2025 02:00:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Low


Thu, 09 Jan 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 09 Jan 2025 07:00:00 +0000

Type Values Removed Values Added
Description Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.
Title Access control flaw for team admins allows unauthorized team additions
Weaknesses CWE-863
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: 2025-01-09T15:29:20.571Z

Reserved: 2025-01-08T11:07:12.574Z

Link: CVE-2025-22449

cve-icon Vulnrichment

Updated: 2025-01-09T15:29:11.020Z

cve-icon NVD

Status : Analyzed

Published: 2025-01-09T07:15:28.777

Modified: 2025-09-29T17:44:58.717

Link: CVE-2025-22449

cve-icon Redhat

Severity : Low

Publid Date: 2025-01-09T06:54:53Z

Links: CVE-2025-22449 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T15:26:19Z

Weaknesses