What is CVE-2025-62190?

CVE-2025-62190 is a medium-severity vulnerability in Mattermost, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2025-12-17.

How severe is CVE-2025-62190?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Mattermost

CVE-2025-62190

Mattermost versions 11.0.x <= 11.0.4, 10.12.x <= 10.12.2, 10.11.x <= 10.11.6 and Mattermost Calls versions <=1.10.0 fail to implement CSRF protection on the Calls widget page which allows an authenticated attacker to initiate calls and inject messages into channels or direct messages via a malicious webpage or crafted link

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.001 (1.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Mattermost — versions 11.0.0, 10.12.0, 10.11.0
Mattermost Mattermost_server

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-62190?: CVE-2025-62190 is a medium-severity vulnerability in Mattermost, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2025-12-17.
How severe is CVE-2025-62190?: Medium severity. CVSS v3 base score is 4.3 out of 10.