CVE-2025-58084 LOW

CVE-2025-58084: Mattermost Desktop App crashes when clicking on malformed external URL

Vendor Mattermost
Product Mattermost
Weakness CWE-1287
Published October 13, 2025
Last update October 14, 2025
View on NVD All CVEs

CVSS base score

3.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Mattermost Desktop App versions <= 5.13.0 fail to validate URLs external to the configured Mattermost servers, allowing an attacker on a server the user has configured to crash the user's application by sending the user a malformed URL.

Key dates

02Disclosure timeline

October 13, 2025 CVE published
October 14, 2025 Record updated