{"action":"Upgrade ca.uhn.hapi.fhir:org.hl7.fhir.validation to 6.9.4 or later.","affected":[{"fixed":"6.9.4","introduced":"0"}],"component":"ca.uhn.hapi.fhir:org.hl7.fhir.validation","cve_ids":["CVE-2026-34361"],"ecosystem":"Maven","epss":0.00305,"exploited":false,"fixed_versions":["6.9.4"],"ghsa_id":"GHSA-vr79-8m62-wh98","id":"tcs_01M5N9EQ7WSA2NSDQYJA1SDZH1","modified_at":"2026-03-31T19:05:05.631952Z","published_at":"2026-03-30T17:24:10Z","references":["https://osv.dev/vulnerability/GHSA-vr79-8m62-wh98","https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-vr79-8m62-wh98","https://nvd.nist.gov/vuln/detail/CVE-2026-34361","https://github.com/hapifhir/org.hl7.fhir.core"],"severity":{"label":"critical","score":9.3},"sources":[{"source":"osv","source_id":"GHSA-vr79-8m62-wh98","url":"https://osv.dev/vulnerability/GHSA-vr79-8m62-wh98"}],"summary":"FHIR Validator HTTP service has SSRF via /loadIG Chains with startsWith() Credential Leak for Authentication Token Theft"}