CVSS 5.3 · Medium EPSS 0,25%
Kerentanan Improper Check for Unusual or Exceptional Conditions pada mattermost server. Skor CVSS 3.1 5.3 (Medium) menurut mattermost.com.
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to validate null entries in Microsoft Graph webhook notification payloads, which allows an unauthenticated attacker to crash the Microsoft Calendar plugin process and deny calendar integration service to all users on the instance via a crafted {{POST}} request to the public webhook endpoint.. Mattermost Advisory ID: MMSA-2026-00693
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
· uraikan di kalkulator | Vendor | Produk | Versi terdampak |
|---|---|---|
| mattermost | mattermost server | Versi 10.11.0 hingga sebelum 10.11.23 |
| mattermost | mattermost server | Versi 11.7.0 hingga sebelum 11.7.8 |
| mattermost | mattermost server | Versi 11.8.0 hingga sebelum 11.8.5 |
| mattermost | mattermost server | Versi 11.9.0 hingga sebelum 11.9.1 |