HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, org.hl7.fhir.utilities.XsltUtilities saxonTransform(...) overloads instantiated a bare net.sf.saxon.TransformerFactoryImpl() without ACCESS_EXTERNAL_DTD or ACCESS_EXTERNAL_STYLESHEET restrictions, allowing an attacker who controls or can tamper with transformed XML to trigger XML External Entity injection for local file disclosure and blind XXE or SSRF to arbitrary URLs reachable from the host. This issue is fixed in version 6.9.10.
Metrics
Affected Vendors & Products
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History
Fri, 10 Jul 2026 09:30:00 +0000
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Hapifhir
Hapifhir hl7 Fhir Core |
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| Vendors & Products |
Hapifhir
Hapifhir hl7 Fhir Core |
Thu, 09 Jul 2026 14:30:00 +0000
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ssvc
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Wed, 08 Jul 2026 21:45:00 +0000
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| Description | HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, org.hl7.fhir.utilities.XsltUtilities saxonTransform(...) overloads instantiated a bare net.sf.saxon.TransformerFactoryImpl() without ACCESS_EXTERNAL_DTD or ACCESS_EXTERNAL_STYLESHEET restrictions, allowing an attacker who controls or can tamper with transformed XML to trigger XML External Entity injection for local file disclosure and blind XXE or SSRF to arbitrary URLs reachable from the host. This issue is fixed in version 6.9.10. | |
| Title | HAPI FHIR: XXE in XsltUtilities.saxonTransform via unhardened Saxon TransformerFactory | |
| Weaknesses | CWE-611 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-07-08T21:28:45.390Z
Updated: 2026-07-09T13:26:16.545Z
Reserved: 2026-06-16T22:10:37.608Z
Link: CVE-2026-55471
Updated: 2026-07-09T13:25:42.265Z
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