What is CVE-2026-34359?

CVE-2026-34359 is a high-severity vulnerability in Hapifhir Org.hl7.fhir.core, classified under Origin Validation Error. CVSS score: 7.4/10. Published 2026-03-31.

How severe is CVE-2026-34359?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Hapifhir Org.hl7.fhir.core

CVE-2026-34359

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to version 6.9.4, ManagedWebAccessUtils.getServer() uses String.startsWith() to match request URLs against configured server URL…

EPSS: 0.000 (7.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Hapifhir Org.hl7.fhir.core — versions < 6.9.4

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-fgv2-4q4g-wc35 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-34359?: CVE-2026-34359 is a high-severity vulnerability in Hapifhir Org.hl7.fhir.core, classified under Origin Validation Error. CVSS score: 7.4/10. Published 2026-03-31.
How severe is CVE-2026-34359?: High severity. CVSS v3 base score is 7.4 out of 10.