CVE-2026-3109

LowCVSS 2.2/10Last modified Jun 17, 2026

Description

Mattermost Plugins versions <=11.4 10.11.11.0 fail to validate webhook request timestamps which allows an attacker to corrupt Zoom meeting state in Mattermost via replayed webhook requests. Mattermost Advisory ID: MMSA-2026-00584

Metrics

CVSS 3.1 2.2/10CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-754

Affected software

No affected versions have been published.

Timeline

Published: Mar 26, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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