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Low severity3.5NVD Advisory· Published May 18, 2026· Updated Jun 5, 2026

CVE-2026-4643

CVE-2026-4643

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Mattermost/Mattermost Desktop App2 versions
    cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*range: <=5.4.13.0
    • (no CPE)range: <=6.1, 6.0.1, 5.4.13.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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