Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the 'invite user' permission to access and modify team invite IDs via the /api/v4/teams/:teamId/privacy endpoint.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-16395 Mattermost improperly allows team administrators to modify team invites
Github GHSA Github GHSA GHSA-4mmr-2w8p-whcr Mattermost improperly allows team administrators to modify team invites
Fixes

Solution

Update Mattermost to versions 10.8.0, 10.7.1, 10.6.3, 10.5.4, 9.11.13 or higher.


Workaround

No workaround given by the vendor.

References
History

Fri, 03 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

Thu, 29 May 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 29 May 2025 15:30:00 +0000

Type Values Removed Values Added
Description Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the 'invite user' permission to access and modify team invite IDs via the /api/v4/teams/:teamId/privacy endpoint.
Title Team Privacy Settings Authorization Bypass in Mattermost Server
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2025-05-29T15:43:16.437Z

Reserved: 2025-04-23T23:15:35.771Z

Link: CVE-2025-3913

cve-icon Vulnrichment

Updated: 2025-05-29T15:43:12.906Z

cve-icon NVD

Status : Analyzed

Published: 2025-05-29T16:15:39.973

Modified: 2025-10-03T14:02:57.163

Link: CVE-2025-3913

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-06-23T19:31:59Z