CVE-2026-3471
Opening a window with {{javascript:alert()}} as URL causes crash in the Mattermost Desktop App
Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent an invalid URL from loading in a pop-up window in the Mattermost Desktop App which allows a malicious server owner to repeated crash the application via calling {{window.open('javascript:alert()');}}. Mattermost Advisory ID: MMSA-2026-00618
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Produtos afetados
Mattermost · MattermostQuer saber se a sua infraestrutura está exposta a isto?
Falar com a TrueHacking →Referências
https://mattermost.com/security-updates