CVE-2026-3116

MediumCVSS 4.9/10Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

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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CVE-2026-3116: Medium severity, CVSS 4.9 | Vulnix