https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-27T13:54:23.809378+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2023-4478 CVE-2023-4478 — Parameter tampering in the registration resulting in blocked accounts to be created 2026-10-27T13:54:23.810433+00:00

Affected: Mattermost

Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.