CVE-2026-6343
Medium · 4.3CVSS
4.3
EPSS
0.3%
Published
May 18, 2026
CISA due date
—
The record
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
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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