CVE-2026-78224— NextGen Healthcare Mirth Connect Improper Restriction of XML External Entity Reference
Quick assessment
Affected
NextGen Healthcare Mirth Connect
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
XSLT 转换器步骤在未设置适当安全选项的情况下构建了一个裸的 TransformerFactory，因此 XXE（外部实体注入）漏洞可能被利用，导致数据外泄和拒绝服务攻击。
Possible ATT&CK Techniques 1 AI
T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-78224
Vulnerability Information
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Vulnerability Title
NextGen Healthcare Mirth Connect Improper Restriction of XML External Entity Reference
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| NextGen Healthcare | Mirth Connect | 0 ~ 4.7.1 | - |
|
II. Public POCs for CVE-2026-78224
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-78224 (2)
Same Patch Batch · NextGen Healthcare · 2026-09-11 · 3 CVEs total
| CVE-2026-82583 | 8.3 HIGH | NextGen Healthcare Mirth Connect SQL Injection |
| CVE-2026-82578 | 7.5 HIGH | NextGen Healthcare Mirth Connect Improper Restriction of XML External Entity Reference |
IV. Related Vulnerabilities
Same weakness: CWE-611
-
CVE-2026-18061
Improper Restriction of XML External Entity References in AW -
CVE-2026-89260
MoguBlog through 6.2 XML External Entity Injection in the Un -
CVE-2026-82578
NextGen Healthcare Mirth Connect Improper Restriction of XML -
CVE-2026-89212
XML External Entity in Akana API Platform -
CVE-2026-84941
Omada Controller XML External Entity (XXE) Injection in SAML
V. Comments for CVE-2026-78224
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