CVE-2025-58084
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-13

Last updated on: 2025-10-29

Assigner: Mattermost, Inc.

Description
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.
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Meta Information
Published
2025-10-13
Last Modified
2025-10-29
Generated
2026-06-16
AI Q&A
2025-10-13
EPSS Evaluated
2026-06-15
NVD
CVE-2025-58084
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
mattermost mattermost_desktop to 5.13.1.0 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-1287 The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.
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Executive Summary

Mattermost Desktop App versions up to 5.13.0 do not properly validate URLs that are external to the configured Mattermost servers. This flaw allows an attacker who controls a server that the user has configured to send a malformed URL, which can cause the user's application to crash.

Impact Analysis

This vulnerability can cause the Mattermost Desktop App to crash when a user receives a malformed URL from a malicious server. This may disrupt the user's ability to use the application reliably, potentially leading to denial of service for the user.

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