Low severity3.5NVD Advisory· Published Oct 13, 2025· Updated Jun 17, 2026
CVE-2025-58084
CVE-2025-58084
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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Affected products
3cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*range: <5.13.1.0
- (no CPE)range: <=5.13.0
- Range: 0
Patches
Vulnerability mechanics
References
1- mattermost.com/security-updatesnvdVendor Advisory
News mentions
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