CVE-2019-9673: Freenetproject Freenet

High severity, CVSS 8.8. EPSS: 4% chance of exploitation in the next 30 days.

Freenet 1483 has a MIME type bypass that allows arbitrary JavaScript execution via a crafted Freenet URI.

Affected products

• Freenetproject Freenet: version 0.7.5 only

Published 2019-06-05. Last modified 2026-06-17.