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CVE-2025-55035

6.1 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.1 · mattermostNVD modified 2026-10-19 16:10

Affected (CPE criteria) 1

  • cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*

References 1