Описание
Mattermost fails to properly validate User-Agent header tokens
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly validate User-Agent header tokens which allows an authenticated attacker to cause a request panic via a specially crafted User-Agent header. Mattermost Advisory ID: MMSA-2026-00586
Пакеты
github.com/mattermost/mattermost/server/v8
< 8.0.0-20260129181235-1346cf529aef
8.0.0-20260129181235-1346cf529aef
github.com/mattermost/mattermost-server
< 5.3.2-0.20260129181235-1346cf529aef
5.3.2-0.20260129181235-1346cf529aef
github.com/mattermost/mattermost-server
>= 10.11.0-rc1, < 10.11.11
10.11.11
github.com/mattermost/mattermost-server
>= 11.2.0-rc1, < 11.2.3
11.2.3
github.com/mattermost/mattermost-server
>= 11.3.0-rc1, < 11.3.1
11.3.1
Связанные уязвимости
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly validate User-Agent header tokens which allows an authenticated attacker to cause a request panic via a specially crafted User-Agent header. Mattermost Advisory ID: MMSA-2026-00586
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10. ...