Vulnerability Details CVE-2026-4643
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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.2%
CVSS Severity
CVSS v3 Score 3.5
References
Products affected by CVE-2026-4643
-
cpe:2.3:a:mattermost:mattermost_desktop:-
-
cpe:2.3:a:mattermost:mattermost_desktop:0.1.0
-
cpe:2.3:a:mattermost:mattermost_desktop:0.2.0
-
cpe:2.3:a:mattermost:mattermost_desktop:0.3.0
-
cpe:2.3:a:mattermost:mattermost_desktop:0.4.0
-
cpe:2.3:a:mattermost:mattermost_desktop:0.5.0
-
cpe:2.3:a:mattermost:mattermost_desktop:0.5.1
-
cpe:2.3:a:mattermost:mattermost_desktop:1.0.0
-
cpe:2.3:a:mattermost:mattermost_desktop:1.0.1
-
cpe:2.3:a:mattermost:mattermost_desktop:1.0.2
-
cpe:2.3:a:mattermost:mattermost_desktop:1.0.3
-
cpe:2.3:a:mattermost:mattermost_desktop:1.0.4
-
cpe:2.3:a:mattermost:mattermost_desktop:1.0.5
-
cpe:2.3:a:mattermost:mattermost_desktop:1.0.6
-
cpe:2.3:a:mattermost:mattermost_desktop:1.0.7
-
cpe:2.3:a:mattermost:mattermost_desktop:1.1.0
-
cpe:2.3:a:mattermost:mattermost_desktop:1.1.1
-
cpe:2.3:a:mattermost:mattermost_desktop:1.2.0
-
cpe:2.3:a:mattermost:mattermost_desktop:1.2.1
-
cpe:2.3:a:mattermost:mattermost_desktop:1.3.0
-
cpe:2.3:a:mattermost:mattermost_desktop:3.4.0
-
cpe:2.3:a:mattermost:mattermost_desktop:3.4.1
-
cpe:2.3:a:mattermost:mattermost_desktop:3.5.0
-
cpe:2.3:a:mattermost:mattermost_desktop:3.6.0
-
cpe:2.3:a:mattermost:mattermost_desktop:3.7.0
-
cpe:2.3:a:mattermost:mattermost_desktop:3.7.1
-
cpe:2.3:a:mattermost:mattermost_desktop:4.0.0
-
cpe:2.3:a:mattermost:mattermost_desktop:4.0.1
-
cpe:2.3:a:mattermost:mattermost_desktop:4.1.0
-
cpe:2.3:a:mattermost:mattermost_desktop:4.1.1
-
cpe:2.3:a:mattermost:mattermost_desktop:4.1.2
-
cpe:2.3:a:mattermost:mattermost_desktop:4.2.0
-
cpe:2.3:a:mattermost:mattermost_desktop:4.2.1
-
cpe:2.3:a:mattermost:mattermost_desktop:4.2.2
-
cpe:2.3:a:mattermost:mattermost_desktop:4.2.3
-
cpe:2.3:a:mattermost:mattermost_desktop:4.3.0
-
cpe:2.3:a:mattermost:mattermost_desktop:4.3.1
-
cpe:2.3:a:mattermost:mattermost_desktop:4.3.2
-
cpe:2.3:a:mattermost:mattermost_desktop:4.4.0
-
cpe:2.3:a:mattermost:mattermost_desktop:4.4.1
-
cpe:2.3:a:mattermost:mattermost_desktop:4.4.2
-
cpe:2.3:a:mattermost:mattermost_desktop:4.5.0
-
cpe:2.3:a:mattermost:mattermost_desktop:4.5.1
-
cpe:2.3:a:mattermost:mattermost_desktop:4.5.2
-
cpe:2.3:a:mattermost:mattermost_desktop:4.5.3
-
cpe:2.3:a:mattermost:mattermost_desktop:4.5.4
-
cpe:2.3:a:mattermost:mattermost_desktop:4.6.0
-
cpe:2.3:a:mattermost:mattermost_desktop:4.6.1
-
cpe:2.3:a:mattermost:mattermost_desktop:4.6.2
-
cpe:2.3:a:mattermost:mattermost_desktop:4.7.0
-
cpe:2.3:a:mattermost:mattermost_desktop:4.7.1
-
cpe:2.3:a:mattermost:mattermost_desktop:4.7.2
-
cpe:2.3:a:mattermost:mattermost_desktop:5.0.0
-
cpe:2.3:a:mattermost:mattermost_desktop:5.0.1
-
cpe:2.3:a:mattermost:mattermost_desktop:5.0.2
-
cpe:2.3:a:mattermost:mattermost_desktop:5.0.3
-
cpe:2.3:a:mattermost:mattermost_desktop:5.0.4
-
cpe:2.3:a:mattermost:mattermost_desktop:5.1.0
-
cpe:2.3:a:mattermost:mattermost_desktop:5.1.1
-
cpe:2.3:a:mattermost:mattermost_desktop:5.2.0
-
cpe:2.3:a:mattermost:mattermost_desktop:5.2.1
-
cpe:2.3:a:mattermost:mattermost_desktop:5.2.2
-
cpe:2.3:a:mattermost:mattermost_desktop:5.3.0
-
cpe:2.3:a:mattermost:mattermost_desktop:5.3.1
-
cpe:2.3:a:mattermost:mattermost_desktop:5.4.0
-
cpe:2.3:a:mattermost:mattermost_desktop:6.0.0
-
cpe:2.3:a:mattermost:mattermost_desktop:6.0.1
-
cpe:2.3:a:mattermost:mattermost_desktop:6.1.0