CVE-2025-62190
Medium
Description
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
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mattermost Server
PublishedDec 17, 2025
First seenDec 17, 2025
Weakness typeCWE-352Cross-site request forgery (CSRF)
How to fix
Update
- mattermost mattermost_server10.11.7, 10.12.3, 11.0.5 or later
- github.com/mattermost/mattermost-plugin-calls1.10.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost_server | 10.11.0 ≤ v < 10.11.7, 10.12.0 ≤ v < 10.12.3, 11.0.0 ≤ v < 11.0.5 | 10.11.7, 10.12.3, 11.0.5 |
| github.com/mattermost/mattermost-plugin-callsGo | v < 1.10.0 | 1.10.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.