Jellyfin 12.0 security fixes arrive alongside the removal of legacy client logins

Sep 08, 2026 - 10:45
Jellyfin 12.0 security fixes arrive alongside the removal of legacy client logins

Jellyfin shipped version 12.0 of its media server. Several of the security fixes in it block requests built to reach files outside the folders the server is supposed to hand out. The rest of the security work touches first-run setup, plugin installs, parental controls, and the web interface. On a misconfigured server, someone who had not signed in could get the setup wizard, the first-run pages that create the administrator account and point Jellyfin at … More

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