Описание
Mattermost doesn't archive the channel before removing persistent notifications
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 archive the channel before removing persistent notifications which allows authenticated user to crash the server via timing the creation of persistent notification message between the server deleting existing persistent notifications and archiving the channel. Mattermost Advisory ID: MMSA-2026-00637.
Пакеты
github.com/mattermost/mattermost-server
= 11.6.0
11.6.1
github.com/mattermost/mattermost-server
>= 11.5.0, < 11.5.4
11.5.4
github.com/mattermost/mattermost-server
>= 11.4.0, < 11.4.5
11.4.5
github.com/mattermost/mattermost-server
>= 10.11.0, < 10.11.15
10.11.15
Связанные уязвимости
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 archive the channel before removing persistent notifications which allows authenticated user to crash the server via timing the creation of persistent notification message between the server deleting existing persistent notifications and archiving the channel.. Mattermost Advisory ID: MMSA-2026-00637
Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4 ...
Уязвимость обработчика уведомлений приложения для обмена мгновенными сообщениями Mattermost, позволяющая нарушителю вызвать отказ в обслуживании