CVE-2026-6541 — Unscoped updates to other playbooks' metric configuration
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 authentica…
Published: 2026-07-13 · CVSS: 4.3 · CVSS 3.1
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
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7