CVE-2025-58084

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.5 LOW
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
MattermostCNA
3.5 LOW
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
VendorProductVersion
mattermostmattermost_desktop
𝑥
< 5.13.1.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://mattermost.com/security-updates