https://db.gcve.eu/rss/recent/all/10 Most recent entries from all 2026-10-30T01:47:58.085791+00:00 Vulnerability-Lookup info@gcve.eu python-feedgen Contains only the most 10 recent entries. https://db.gcve.eu/vuln/certfr-2026-avi-1409 certfr-2026-avi-1409 — Une vulnérabilité a été découverte dans Mattermost Server. Elle permet à un attaquant de provoquer un contournement de… 2026-10-30T01:47:58.092328+00:00 certfr-2026-avi-1409 https://db.gcve.eu/vuln/ghsa-jq9q-vph7-fh8w GHSA-jq9q-vph7-fh8w 2026-10-30T01:47:58.092439+00:00

Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10 fail to validate the target post ID in the Agents plugin's mention reminder component, which allows an authenticated user who can post in a channel visible to a system administrator to cause the administrator's browser to send an unintended API request, resulting in replacement of an installed plugin and code execution on the server, via a crafted post containing a forged mention reminder that the administrator clicks. Mattermost Advisory ID: MMSA-2026-00742