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

Weakness classification (CWE)

References

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.