CVE-2021-21399: Ampache

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Ampache is a web based audio/video streaming application and file manager. Versions prior to 4.4.1 allow unauthenticated access to Ampache using the subsonic API. To successfully make the attack you must use a username that is not part of the site to bypass the auth checks. For more details and workaround guidance see the referenced GitHub security advisory.

Affected products

• Ampache Ampache: before 4.4.1 (fixed in 4.4.1)

Published 2021-04-13. Last modified 2026-06-17.