cvedb.io
CVE-2025-55035
MEDIUM · CVSS 6.1
EPSS exploitation probability: 0%
Published 2025-10-16T16:15:38.403 · Last modified 2026-06-17T09:41:08.507

Summary

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.

Affected products

mattermost — mattermost_desktop

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.