Improper Input Validation in Zoom Plugin Webhook Handler_CVE-2026-3116

4.9 / 10

MEDIUM

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

Description

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

Basic Information

ID CVE-2026-3116

Source Mattermost

Published Mar 26, 2026 at 16:19

Modified Mar 26, 2026 at 17:51

Affected Product

Vendor Mattermost

Product Mattermost

Affected Versions Mattermost Mattermost 0
Mattermost Mattermost 0
Mattermost Mattermost 0
Mattermost Mattermost 0

CWE Classification

CWE-400

References

mattermost.com /security-updates

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    "published": "2026-03-26T16:19:32.607Z",
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