CVE-2026-4643
Published: May 18, 2026
Modified: May 18, 2026
CVSS v3.1
3.5
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
| Vendor | Product | Versions |
|---|---|---|
Mattermost | Mattermost | affected 0 - <= 6.0.1affected 0 - <= 5.4.13unaffected 6.2.0unaffected 6.1.1.0unaffected 5.13.5.0 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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