Vulnerability in Mattermost
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.
EPSS: 0.003 (18.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.
Affected products
- Mattermost — versions 0, 5.13.1
- Mattermost Mattermost_desktop
Weakness classification (CWE)
References
- responsibledisclosure@mattermost.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-58084?
- CVE-2025-58084 is a low-severity vulnerability in Mattermost, classified under CWE-1287. CVSS score: 3.5/10. Published 2025-10-13.
- How severe is CVE-2025-58084?
- Low severity. CVSS v3 base score is 3.5 out of 10.