CVE-2026-82578: NextGen Healthcare Mirth Connect

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

When XML batch processing is turned on and the XPath option is selected, the raw batch input goes through a default XPath/JAXP setup with no entity restrictions, so XXE injection can allow data exfiltration and denial-of-service attacks.

Affected products

• NextGen Healthcare Mirth Connect: up to and including 4.7.1

Published 2026-09-11. Last modified 2026-09-18.