CVE-2026-8074CWE-863

Improper Permission Check Allows User Manager to Deactivate Bot Accounts

Low · published June 22, 2026

CVSS v3.1
3.8
EPSS
0%
Percentile
23.5
In the wild
Unconfirmed
What it is

Mattermost versions 11.7.x <= 11.7.0, 10.11.x <= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667

The record
Technical detail
CVSS v3.1
3.8 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00318 · 23.5th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-06-22T13:37Z
EPSS history
Timeline
  • 22 JUN 13:37Z
    Improper Permission Check Allows User Manager to Deactivate Bot Accounts
    cvelistv5