CVE-2026-3495
Unescaped variables during error page composition
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to escape some variables that could contain malicious content during error page composition which allows an attacker with access to edit some site configuration to execute some malicious code via injecting some JS as part of those values.. Mattermost Advisory ID: MMSA-2026-00622
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Produtos afetados
Mattermost · MattermostQuer saber se a sua infraestrutura está exposta a isto?
Falar com a TrueHacking →Referências
https://mattermost.com/security-updates