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CVE-2026-28735

Mattermost

Descripción

Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to validate the OAuth token scope on the callback which allows an authenticated Mattermost user to gain access to private repositories via modifying the scope parameter in the GitHub authorization URL.. Mattermost Advisory ID: MMSA-2026-00628

CVSS 5.4EPSS 0.13799999999999998%Riesgo 0.55
Ver fuente
Publicación
2026-05-22 17:16:46
Versiones afectadas
<= 11.6.0, <= 11.5.3, <= 11.4.4, <= 10.11.14
Tipo
Aplicación web
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N