CVSS 4.3 · Medium EPSS 0,27%
Kerentanan Missing Authorization pada mattermost server. Skor CVSS 3.1 4.3 (Medium) menurut mattermost.com.
Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21, 11.8.x <= 11.8.3 fail to validate that users have read access to a channel before linking a board to it, which allows an authenticated attacker to discover the membership of private channels on the same team via creating, patching, importing, or bulk-creating boards with an arbitrary channelId. Mattermost Advisory ID: MMSA-2026-00674
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
· uraikan di kalkulator | Vendor | Produk | Versi terdampak |
|---|---|---|
| mattermost | mattermost server | Versi 10.11.0 hingga sebelum 10.11.22 |
| mattermost | mattermost server | Versi 11.7.0 hingga sebelum 11.7.7 |
| mattermost | mattermost server | Versi 11.8.0 hingga sebelum 11.8.4 |