SecuriTricks - CVE-2026-8074

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

Product(s) Impacted

Vendor	Product	Versions
Mattermost	Mattermost	11.7.0, <11.7.0, 10.11.17, <10.11.17

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	mattermost	mattermost	11.7.0	/	/	/	/	/	/	/
a	mattermost	mattermost	<11.7.0	/	/	/	/	/	/	/
a	mattermost	mattermost	10.11.17	/	/	/	/	/	/	/
a	mattermost	mattermost	<10.11.17	/	/	/	/	/	/	/

References

https://mattermost.com/security-updates

CVSS Score

3.8 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: HIGH
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L

View Vector String

Timeline

Published: June 22, 2026, 2:17 p.m.
Last Modified: June 22, 2026, 6:29 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-8074