PT-2026-123370

CVE-2026-93847

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Published

2026-10-26

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Updated

2026-10-26

Description by

CVSS 3.1
3.5
Low
MetricsAV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Mattermost versions 11.7.x <= 11.7.10 fail to validate reserved system post types on the scheduled post creation and publication paths which allows an authenticated channel member to publish messages rendering as trusted system events via the scheduled post endpoint.. Mattermost Advisory ID: MMSA-2026-00732
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
CWE-863: Incorrect Authorization
Related identifiers
CVE-2026-93847
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