CVE-2023-6727

MediumCVSS 4.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
Mattermost	Mattermost	<= 8.1.5; <= 9.2.1

References

https://mattermost.com/security-updatesIssue Tracking, Vendor Advisory
https://mattermost.com/security-updatesIssue Tracking, Vendor Advisory

Timeline

Published: Dec 12, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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