CVE-2026-3109
Low · 2.2CVSS
2.2
EPSS
0.3%
Published
Mar 26, 2026
CISA due date
—
The record
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
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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