CVE-2026-3636

Sanitize team member data returned by API

CVSS 4.3 MEDIUMEPSS 0.2%CWE-200

Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to sanitize team member data when returned via API to users without elevated permissions which allows a user without permissions to get data about team members roles via invoking various team API endpoints.. Mattermost Advisory ID: MMSA-2026-00626

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Produtos afetados

Mattermost · Mattermost

Quer saber se a sua infraestrutura está exposta a isto?

Falar com a TrueHacking →

Referências

https://mattermost.com/security-updates