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CVE-2026-9571

Mattermost

Beschreibung

Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to invalidate OAuth refresh tokens upon user account deactivation, which allows a deactivated user or an attacker in possession of a valid refresh token to obtain new functional access tokens via the OAuth refresh token grant endpoint.. Mattermost Advisory ID: MMSA-2026-00680

CVSS 5.9EPSS 0.174%Risiko 0.6
Quelle öffnen
Veröffentlicht
2026-07-13 09:16:25
Betroffene Versionen
<= 11.7.2, <= 11.6.4, <= 10.11.19
Typ
Webanwendung
Vektor
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N