Beveiligingsadvies

CVE-2026-13417

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-09-14 10:44:59

Laatst bijgewerkt 2026-09-14 11:19:44

Toegewezen door Mattermost

CVSS-score 4.3

Status PUBLISHED

Beschrijving

Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to validate the type of `fields.properties` on block creation which allows an authenticated user with editor access to a board to crash the Boards plugin worker and trigger a denial of service via a child block whose `fields.properties` is a non-object value. Mattermost Advisory ID: MMSA-2026-00710

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