CVE-2026-3113: falha de média gravidade em Mattermost
mmctl export download command doesn’t restrict permissions to created file to file owner
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13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 5epss 0.1%
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 · MattermostCVEs relacionadas — Mattermost
No mesmo produto, das mais perigosas para as menos.
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Referências
https://mattermost.com/security-updates