CVE-2026-3116
MEDIUM
NVD
CVSS Score
4.9
Severity
MEDIUM
Published
Mar 26, 2026
Vendor
unknown
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