CVE-2025-55035
Mattermost Desktop App vulnerability analysis and mitigation

Mattermost Desktop App versions <=5.13.0 fail to manage modals in the Mattermost Desktop App that stops a user with a server that uses basic authentication from accessing their server which allows an attacker that provides a malicious server to the user to deny use of the Desktop App via having the user configure the malicious server and forcing a modal popup that cannot be closed.


SourceNVD

Related Mattermost Desktop App vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-58084MEDIUM6.5
  • Mattermost Desktop AppMattermost Desktop App
  • cpe:2.3:a:mattermost:mattermost_desktop
NoYesOct 13, 2025
CVE-2025-55035MEDIUM6.1
  • Mattermost Desktop AppMattermost Desktop App
  • cpe:2.3:a:mattermost:mattermost_desktop
NoYesOct 16, 2025
CVE-2025-13326LOW3.9
  • Mattermost Desktop AppMattermost Desktop App
  • cpe:2.3:a:mattermost:mattermost_desktop
NoYesDec 17, 2025
CVE-2025-13321LOW3.3
  • JavaScriptJavaScript
  • mattermost-desktop
NoYesDec 17, 2025
CVE-2025-1398LOW3.3
  • JavaScriptJavaScript
  • mattermost-desktop
NoYesMar 17, 2025

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