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
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.4.13.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:* | ||
>= 6.0.0, <= 6.0.1CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:* | ||
>= 6.1.0, < 6.2.0CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:* | ||
>= 0, <= 5.4.13CPE match | cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* | ||
>= 0, <= 6.0.1CPE match | cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.