Description
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.
Published: 2025-06-20
Score: 4.3 Medium
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 10.9.0, 10.5.6, 9.11.16, 10.8.1, 10.7.3, 10.6.6 or higher.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-18757 Mattermost allows an unauthorized Guest user access to Playbook
Github GHSA Github GHSA GHSA-4578-6gjh-f2jm Mattermost allows an unauthorized Guest user access to Playbook
References
History

Tue, 08 Jul 2025 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.8.0:-:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc1:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc2:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc3:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server

Mon, 23 Jun 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 20 Jun 2025 14:45:00 +0000

Type Values Removed Values Added
Description Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.
Title Unauthorized Guest user access to Playbook
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}


Subscriptions

Mattermost Mattermost Mattermost Server
cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2025-06-23T20:45:21.017Z

Reserved: 2025-04-03T15:36:57.160Z

Link: CVE-2025-3228

cve-icon Vulnrichment

Updated: 2025-06-23T20:45:15.312Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-20T15:15:20.573

Modified: 2025-07-08T14:30:48.667

Link: CVE-2025-3228

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-06-23T08:20:14Z

Weaknesses