https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-05T21:43:35.704645+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2023-47865 CVE-2023-47865 — Username and Icon override can be used by members when Hardened Mode is enabled 2026-10-05T21:43:35.720810+00:00

Affected: Mattermost

Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled