NextGen Healthcare Mirth Connect Improper Restriction of XML External Entity Reference
Priority MEDIUM 44CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
The XSLT Transformer Step builds a bare TransformerFactory without the proper security options set, so XXE injection can allow data exfiltration and denial-of-service attacks.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00437 38th percentileScored 2026-11-07
Fix Fixed Mirth Connect (NextGen Healthcare): 4.7.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NextGen Healthcare | Mirth Connect | up to 4.7.1 | 4.7.2 | Patch available | CNA |
- Mirth Connect VendorNextGen Healthcare Affected up to 4.7.1 Fixed in 4.7.2 Patch available CNA
Remediation
- Fix · CNA Mirth Connect (NextGen Healthcare) Fixed in 4.7.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-78224
- 2026-10-03 Alias added: GHSA-p85c-j652-88pj
References
More NextGen Healthcare vulnerabilities
- TI-2026-56921 NextGen Healthcare Mirth Connect Improper Restriction of XML External Entity Reference CVSS 4.0HIGH 8.7
- TI-2026-56925 NextGen Healthcare Mirth Connect SQL Injection CVSS 4.0HIGH 7.2
Sources
- CVE-2026-78224 · CVE Program
- CVE-2026-78224 · NVD
- FIRST EPSS
- GHSA-p85c-j652-88pj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences