Vulnerability · Published Sep 11, 2026 · Assigned by icscert
CVE-2026-82578NextGen Healthcare Mirth Connect Improper Restriction of XML External Entity Reference
High 7.5
In plain English
A high-severity XML external entity in Mirth Connect from NextGen Healthcare. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 64.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NextGen Healthcare | Mirth Connect | 0 – through 4.7.1 |
Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N