CVE-2026-62293

Summary

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.11, the hidden scan command concatenates attacker-controlled Implementation Guide titles, profile titles, and source references into scan.html without escaping in Scanner.java. As a result, a user who scans an attacker-supplied IG/profile and then opens or publishes the generated local/CI HTML report can trigger stored cross-site scripting, executing attacker-controlled JavaScript in the report's browser context. This issue is fixed in version 6.9.11.

Affected Software

VendorProductVersion RangeStatus
hapifhirorg.hl7.fhir.core< 6.9.11affected
hapifhirca.uhn.hapi.fhir:org.hl7.fhir.validation< 6.9.11affected
hapifhirca.uhn.hapi.fhir:org.hl7.fhir.validation.cli< 6.9.11affected

Weaknesses

  • CWE-20: CWE-20: Improper Input Validation
  • CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

Additional References

References