CVSS 4.9 · Medium EPSS 0,36%
Kerentanan Authorization Bypass Through User-Controlled Key pada mattermost server. Skor CVSS 3.1 4.9 (Medium) menurut mattermost.com.
Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to validate that an assigned incoming webhook user has access to the target team or channel, which allows a requester with webhook management permissions to create posts or direct messages attributed to another user via crafted incoming webhook configuration and payloads.. Mattermost Advisory ID: MMSA-2026-00683
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
· uraikan di kalkulator | Vendor | Produk | Versi terdampak |
|---|---|---|
| mattermost | mattermost server | Versi 10.11.0 hingga sebelum 10.11.20 |
| mattermost | mattermost server | Versi 11.6.0 hingga sebelum 11.6.5 |
| mattermost | mattermost server | Versi 11.7.0 hingga sebelum 11.7.3 |