Mattermost fails to perform correct authorization checks when creating a playbook action, allowing users without access to the playbook to create playbook actions. If the playbook action created is to post a message in a channel based on specific keywords in a post, some playbook information, like the name, can be leaked. 

Advisories
Source ID Title
EUVD EUVD EUVD-2023-58941 Mattermost fails to perform correct authorization checks when creating a playbook action, allowing users without access to the playbook to create playbook actions. If the playbook action created is to post a message in a channel based on specific keywords in a post, some playbook information, like the name, can be leaked. 
Fixes

Solution

Update Mattermost Server to versions 8.1.6, 9.2.2 or higher.


Workaround

No workaround given by the vendor.

References
History

Sat, 24 May 2025 11:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2025-05-24T10:25:36.906Z

Reserved: 2023-12-12T10:48:31.631Z

Link: CVE-2023-6727

cve-icon Vulnrichment

Updated: 2024-08-02T08:35:14.884Z

cve-icon NVD

Status : Modified

Published: 2023-12-12T11:15:07.140

Modified: 2024-11-21T08:44:25.980

Link: CVE-2023-6727

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.