https://db.gcve.eu/rss/recent/all/10 Most recent entries from all 2026-09-30T14:34:40.206132+00:00 Vulnerability-Lookup info@gcve.eu python-feedgen Contains only the most 10 recent entries. https://db.gcve.eu/vuln/cve-2026-13417 CVE-2026-13417 — Boards plugin denial of service via unvalidated block fields.properties 2026-09-30T14:34:40.208338+00:00

Affected: Mattermost

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