CVE-2026-3109

low

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

References

https://mattermost.com/security-updates

Details

Source: Mitre, NVD

Published: 2026-03-26

Updated: 2026-03-26

Risk Information

CVSS v2

Base Score: 1.7

Vector: CVSS2#AV:N/AC:H/Au:M/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 2.2

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