CVE-2026-8074

Improper Permission Check Allows User Manager to Deactivate Bot Accounts

State: Published
Severity: 3.8 Low
Published: Jun 22, 2026
Updated: Jun 22, 2026
Reserved: May 7, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	3.8 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L	Mattermost

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
MattermostMattermost	11.7.0 through 11.7.0Affected 10.11.0 through 10.11.17Affected 11.8.0Not affected 11.7.1Not affected 10.11.18Not affected

References

MMSA-2026-00667vendor-advisory

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