CVE-2026-5308

Missing request body size limits on Zoom plugin HTTP endpoints

CVSS 4.9 MEDIUMEPSS 0.3%CWE-400

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 enforce request body size limits on plugin HTTP endpoints which allows an attacker to cause a denial of service via crafted oversized HTTP requests.. Mattermost Advisory ID: MMSA-2026-00646

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

Produtos afetados

Mattermost · Mattermost

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Referências

https://mattermost.com/security-updates