Описание
Mattermost fails to properly validate team membership when processing channel mentions
Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to properly validate team membership when processing channel mentions which allows authenticated users to determine the existence of teams and their URL names via posting channel shortlinks and observing the channel_mentions property in the API response. Mattermost Advisory ID: MMSA-2025-00563
Пакеты
github.com/mattermost/mattermost/server/v8
< 8.0.0-20251209134645-761e56bb11cc
8.0.0-20251209134645-761e56bb11cc
github.com/mattermost/mattermost-server
>= 11.1.0
Отсутствует
github.com/mattermost/mattermost-server
>= 10.11.0
Отсутствует
github.com/mattermost/mattermost-server
>= 11.2.0
Отсутствует
github.com/mattermost/mattermost-server
< 5.3.2-0.20251209134645-761e56bb11cc
5.3.2-0.20251209134645-761e56bb11cc
Связанные уязвимости
Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to properly validate team membership when processing channel mentions which allows authenticated users to determine the existence of teams and their URL names via posting channel shortlinks and observing the channel_mentions property in the API response. Mattermost Advisory ID: MMSA-2025-00563
Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11 ...