← Database

CVE-2026-86348

MEDIUM CVSS: 4.3 Published: 2026-09-14 Modified: 2026-09-16

Description

Mattermost versions <=11.9 11.0.9 11.4.8 11.7.7 10.22.11.0 fail to recover from handler panics, which allows an authenticated user to crash the plugin via a post-action request with an unexpected field type.. Mattermost Advisory ID: MMSA-2026-00701

Affected Platforms

Unknown

Weakness Type

CWE-704

References