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CVE-2025-55035

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CVE-2025-55035

Published: Oct 16, 2025

Modified: Oct 16, 2025

PUBLISHED

CVSS v3.1

6.1

MEDIUM

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.

VendorProductVersions

Mattermost

Mattermost

affected
0 - <= 5.0.13
unaffected
5.13.1.0

Weaknesses (CWE)

CWE-754

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

References

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