Most recent entries from all https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 23:27:35 +0000 CVE-2026-9708 — Incoming webhook user attribution via unvalidated webhook owner https://cve.radiocsirt.org/vuln/cve-2026-9708 <p><strong>Affected:</strong> Mattermost</p> <p>Mattermost versions 11.7.x &lt;= 11.7.2, 11.6.x &lt;= 11.6.4, 10.11.x &lt;= 10.11.19 fail to validate that an assigned incoming webhook user has access to the target team or channel, which allows a requester with webhook management permissions to create posts or direct messages attributed to another user via crafted incoming webhook configuration and payloads.. Mattermost Advisory ID: MMSA-2026-00683</p> <p><strong>Affected:</strong> Mattermost</p> <p>Mattermost versions 11.7.x &lt;= 11.7.2, 11.6.x &lt;= 11.6.4, 10.11.x &lt;= 10.11.19 fail to validate that an assigned incoming webhook user has access to the target team or channel, which allows a requester with webhook management permissions to create posts or direct messages attributed to another user via crafted incoming webhook configuration and payloads.. Mattermost Advisory ID: MMSA-2026-00683</p> https://cve.radiocsirt.org/vuln/cve-2026-9708