VULNERABILITY INTELLIGENCE
CVE-2023-6727
CVSS score3.1 LOW
EPSS probability0.41%
CISA KEVNot currently listed
Published2023-12-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Description
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.
Weakness classification
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Primary references
- responsibledisclosure@mattermost.com — Issue Tracking, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory