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High 8.2HealthcarePublished Sep 11, 2026
CVE-2026-78224NextGen Healthcare Mirth Connect Improper Restriction of XML External Entity Reference
Updated under an hour ago ()
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It affects NextGen Healthcare Mirth Connect. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.44%, higher than 37% of scored CVEs.
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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.
- CVSS
- 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
- Weakness (CWE)
- CWE-611
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.44% (percentile 37)
- Assigned by
- icscert
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
NextGen Healthcare Mirth Connect nextgen_healthcare:mirth_connect (from the name) | through 4.7.1; 4.7.2 not affected | CNA record |
References
- https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-253-01
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-253-01.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.