AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2026-3116

MEDIUM · CVSS 4.9 EPSS 0.34%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-03-26 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.9. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-3116
Severity
MEDIUM
CVSS
4.9
EPSS
0.34%

Original NVD 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

Related CVEs

Other vulnerabilities affecting the same vendor(s)