CVE-2023-4106

A guest user can perform various actions on public playbooks

Published Aug 11, 2023 CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks.

Remediation

Vendor Solution

Update Mattermost Server to versions 7.8.8, 7.9.5, 7.10.4 or higher. Otherwise, update the Playbooks plugin to version v1.37.0 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-2328 Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks.
Github GHSA Github GHSA GHSA-p267-jjfq-pphf Mattermost fails to check if user is a guest before performing actions on public playbooks
References
History
Type Values Removed Values Added
Metrics ssvc

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Oct 1, 2024, 8:21 PM
Reserved
Aug 2, 2023, 3:06 PM
Status
Modified
Published
Aug 11, 2023, 7:15 AM
Modified
Jun 17, 2026, 6:37 AM