CVE-2026-3116

CVSS Score & Metrics

Base Score

4.9 / 10

Vector String

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

Vulnerability 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

Vulnerability Details

Published Date

March 26, 2026

Last Modified

March 30, 2026

CWE ID

CWE-400

Source

NVD

External References

https://mattermost.com/security-updates

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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