CVE-2026-3113

mmctl export download command doesn’t restrict permissions to created file to file owner

CVSS 5 MEDIUMEPSS 0.1%CWE-732

Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to set permissions on downloaded bulk export which allows other local users on the server to be able to read contents of the bulk export.. Mattermost Advisory ID: MMSA-2026-00593

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

Produtos afetados

Mattermost · Mattermost

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Referências

https://mattermost.com/security-updates