Description
Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.
Published: 2025-03-21
Score: 3.3 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 10.5.0, 9.11.9 or higher.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-7203 Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.
Github GHSA Github GHSA GHSA-cw7q-5cgc-h3h9 Mattermost fail to prompt for explicit approval before adding a team admin to a private channel
References
History

Thu, 27 Mar 2025 15:30:00 +0000

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

Fri, 21 Mar 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 21 Mar 2025 08:30:00 +0000

Type Values Removed Values Added
Description Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.
Title Auto-Enrollment of Team Admins into Private Channels without explicit consent
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N'}


Subscriptions

Mattermost Mattermost Server
cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2025-03-21T13:35:01.832Z

Reserved: 2025-03-20T08:20:28.097Z

Link: CVE-2025-27715

cve-icon Vulnrichment

Updated: 2025-03-21T13:34:12.429Z

cve-icon NVD

Status : Analyzed

Published: 2025-03-21T09:15:13.100

Modified: 2025-03-27T15:01:03.360

Link: CVE-2025-27715

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses