CVE-2026-3116

Improper Input Validation in Zoom Plugin Webhook Handler

CVSS 4.9 MEDIUMEPSS 0.3%CWE-400

Mattermost Plugins versions <=11.4 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to validate incoming request size which allows an authenticated attacker to cause service disruption via the webhook endpoint. Mattermost Advisory ID: MMSA-2026-00589

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

Productos afectados

Mattermost · Mattermost

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Referencias

https://mattermost.com/security-updates