CVE-2025-6465

Path traversal in image upload with preview overwrite

CVSS 4.3 MEDIUMEPSS 0.7%CWE-22

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to sanitize file names which allows users with file upload permission to overwrite file attachment thumbnails via path traversal in file streaming APIs.

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

Produtos afetados

Mattermost · Mattermost

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Referências

https://mattermost.com/security-updates