Описание
Mattermost has session spoofing due to lack of single-use consumption of guest magic link tokens enforcement
Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 11.4.x <= 11.4.2, 11.3.x <= 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated sessions via concurrent requests. Mattermost Advisory ID: MMSA-2026-00624.
Пакеты
github.com/mattermost/mattermost/server/v8
>= 8.0.0-20250721062209-4952acea88ce, < 8.0.0-20250723052842-4cb8d8940332
8.0.0-20250723052842-4cb8d8940332
github.com/mattermost/mattermost-server
>= 10.11.0-rc1, < 10.11.13
10.11.13
github.com/mattermost/mattermost-server
= 11.5.0-rc1
11.5.0
github.com/mattermost/mattermost-server
>= 11.4.0-rc1, < 11.4.3
11.4.3
github.com/mattermost/mattermost-server
>= 11.3.0-rc1, < 11.3.3
11.3.3
Связанные уязвимости
Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 11.4.x <= 11.4.2, 11.3.x <= 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated sessions via concurrent requests.. Mattermost Advisory ID: MMSA-2026-00624
Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 11.4.x <= 1 ...
Уязвимость приложения для обмена мгновенными сообщениями Mattermost, связанная с ошибками синхронизации при использовании общего ресурса («Ситуация гонки»), позволяющая нарушителю оказать воздействие на конфиденциальность и целостность защищаемой информации