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CVE-2026-55470

🗓️ 17 Jun 2026 18:47:23Reported by candidateType 
cve
 cve👁 12 Views

Context: CVE-2026-55470 is reserved. Connected advice confirms a concrete issue previously identified in HAPI FHIR: DSTU2’s FHIRPathEngine.matches() uses a raw String.matches() without a timeout, enabling ReDoS via catastrophic backtracking. What’...

Related
Refs
ReporterTitlePublishedViews
Family
Github Security Blog		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202618:47
–github
GitLab Advisory Database		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202600:00
–gitlab
GitLab Advisory Database		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202600:00
–gitlab
GitLab Advisory Database		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202600:00
–gitlab
GitLab Advisory Database		HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202600:00
–gitlab
OSV		GHSA-FXJ4-P9XP-37V5 HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS
17 Jun 202618:47
–osv
OSV		ROOT-APP-MAVEN-CVE-2026-55470 CVE-2026-55470 in io.root.ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 - Patched by Root
5 Jul 202617:32
–osv
Positive Technologies		PT-2026-50599
17 Jun 202600:00
–ptsecurity
Snyk		Regular Expression Denial of Service (ReDoS)
17 Jun 202618:47
–snyk
vulnersOsv		ca.uhn.hapi.fhir:hapi-fhir-cli-api (>=4.0.0 <=8.8.1), ca.uhn.hapi.fhir:hapi-fhir-cli-app (>=5.6.5 <=7.4.5) +222 more potentially affected by CVE-2026-55470 via ca.uhn.hapi.fhir:org.hl7.fhir.validation (>=1.0.0 <=6.9.1)
17 Jun 202618:47
–vulnersosv
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