Orta CVSS 6.5
CVE-2026-18551: 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 validate the combination of guest and admin scheme roles which allows an authenticated attacker to escalate a guest account to team or channel admin via a crafted PUT request to the member roles API endpoint.. Mattermost Advisory ID: MMSA-2026-00752
Özet bilgiler
- Ürün
- Mattermost Mattermost Server
- CVSS v3.1
- 6.5
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N - EPSS
- %0,22 (yüzdelik 13)
- 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 | — |