Security Advisory

CVE-2026-6343

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-18 08:32:28

Last updated 2026-05-18 14:37:55

Assigner Mattermost

CVSS score 4.3

State PUBLISHED

Description

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to check public/private permissions which allows members without these permissions to access public playbooks via /get.. Mattermost Advisory ID: MMSA-2026-00591

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