What is GHSA-mxrh-vwcx-vg7h?

GHSA-mxrh-vwcx-vg7h is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost versions 11.7.x \u003c= 11.7.1, 11.6.x \u003c= 11.6.4, 10.11.x \u003c= 10.11.19 fail to restrict...

Which CVE IDs does GHSA-mxrh-vwcx-vg7h cover?

GHSA-mxrh-vwcx-vg7h covers the following CVE IDs: CVE-2026-6541. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mxrh-vwcx-vg7h?

GHSA-mxrh-vwcx-vg7h has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

GHSA-mxrh-vwcx-vg7hMediumCVSS 4.3

Mattermost versions 11.7.x <= 11.7.1, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to restrict...

Vendor

GitHub Security Advisories

Published

July 13, 2026

Last Modified

July 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-6541 →

📋 Description

Mattermost versions 11.7.x <= 11.7.1, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to restrict metric configuration changes to the playbook being saved, which allows an authenticated user with team access to alter another user’s playbook metric settings via a crafted import or update request with a foreign metric ID. Mattermost Advisory ID: MMSA-2026-00653

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-6541
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-mxrh-vwcx-vg7h