https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-06T00:29:01.844038+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2026-6517 CVE-2026-6517 — Mattermost Desktop App fails to restrict the allow list of domains which NTLM credentials are passed 2026-10-06T00:29:01.860606+00:00

Affected: Mattermost

Mattermost Desktop App versions <=6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that routes to an external web server. Mattermost Advisory ID: MMSA-2026-00651