Orta CVSS 4.9
CVE-2026-19076: Mattermost Server: hatalı yetkilendirme
Açıklama (NVD)
Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to reject OAuth application sessions in the account type switch endpoint, which allows an attacker with a valid OAuth bearer token for a target user to permanently take over that user's SSO-backed account by setting an attacker-controlled password and detaching the account from its identity provider via a crafted request to POST /api/v4/users/login/switch.. Mattermost Advisory ID: MMSA-2026-00758
Özet bilgiler
- Ürün
- Mattermost Mattermost Server
- CVSS v3.1
- 4.9
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - EPSS
- %0,20 (yüzdelik 10)
- CWE
- CWE-863
- Yama
- Yok / bilinmiyor
Etkilenen sürümler
| Ürün | Başlangıç | Bitiş | Düzeltildi |
|---|---|---|---|
| mattermost-mattermost-server | 11.7.0 | — | 11.7.10 |
| mattermost-mattermost-server | 11.8.0 | — | 11.8.6 |
| mattermost-mattermost-server | 11.9.0 | — | 11.9.2 |
| mattermost-mattermost-server | 11.10.0 | 11.10.0 | — |