CVE-2026-4643
3.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Exploitability: 2.1 / Impact: 1.4
Source: responsibledisclosure@mattermost.com (Secondary)
Description
Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent server-rendered content from closing an underlying application view in the Mattermost Desktop App which allows a malicious server or plugin to crash the desktop client via invoking {{window.close()}} in the renderer context, leading to a denial of service condition at the client level. Mattermost Advisory ID: MMSA-2026-00633
Affected (3)
Products: Mattermost: Mattermost Desktop
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Up to 5.4.13.0 |
References (1)
Timeline
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