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.
References
History

Thu, 16 Oct 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 16 Oct 2025 15:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Mattermost Desktop DoS when user has basic authentication server configured
Weaknesses CWE-754
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2025-10-16T16:28:05.951Z

Reserved: 2025-09-11T18:33:39.530Z

Link: CVE-2025-55035

cve-icon Vulnrichment

Updated: 2025-10-16T16:27:51.175Z

cve-icon NVD

Status : Received

Published: 2025-10-16T16:15:38.403

Modified: 2025-10-16T16:15:38.403

Link: CVE-2025-55035

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.