CVE-2026-6541CWE-639

Unscoped updates to other playbooks' metric configuration

Medium · published July 13, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
16.0
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00254 · 16.0th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-07-13T10:53Z
EPSS history
Timeline
  • 13 JUL 10:53Z
    Unscoped updates to other playbooks' metric configuration
    cvelistv5