CVE-2026-55470

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, the fix for CVE-2026-45367 incompletely patched the DSTU2 module, leaving FHIRPathEngine.matches in org.hl7.fhir.dstu2/utils/FHIRPathEngine.java to call raw String.matchessw...

CVE-2026-55470 HAPI FHIR: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, the fix for CVE-2026-45367 incompletely patched the DSTU2 module, leaving FHIRPathEngine.matches in org.hl7.fhir.dstu2/utils/FHIRPathEngine.java to call raw String.matchessw...

GHSA-FXJ4-P9XP-37V5 HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS

Summary The fix for CVE-2026-45367 added RegexTimeout protection to the matches function in DSTU2016MAY, DSTU3, R4, R4B, and R5, but the DSTU2 module was incompletely patched. In org.hl7.fhir.dstu2, replaceMatches was updated while matches at line 2462 still calls the raw String.matchessw without...

HAPI FHIR: Incomplete fix for CVE-2026-45367: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS

The fix for CVE-2026-45367 added RegexTimeout protection to the matches function in DSTU2016MAY, DSTU3, R4, R4B, and R5, but the DSTU2 module was incompletely patched. In org.hl7.fhir.dstu2, replaceMatches was updated while matches at line 2462 still calls the raw String.matchessw without any...

ca.uhn.hapi.fhir:hapi-fhir-base-test-jaxrsserver-kotlin (=6.8.0), ca.uhn.hapi.fhir:hapi-fhir-cli-api (>=6.6.0 <=8.10.0) +186 more potentially affected by CVE-2026-45367 via ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 (>=6.0.0 <=6.9.5)

ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 MAVEN version =6.0.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.8.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =8.10.0 and more Source cves: CVE-2026-45367 Source advisory: SNYK:JAVA-CAUHNHAPIFHIR-16757885...

ca.uhn.hapi.fhir:hapi-fhir-base-test-jaxrsserver-kotlin (>=5.6.5 <=6.8.0), ca.uhn.hapi.fhir:hapi-fhir-cli-api (>=4.0.0 <=8.10.0) +259 more potentially affected by CVE-2026-45367 via ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 (>=0.0.1 <=6.9.5)

ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 MAVEN version =0.0.1, =5.6.5, =4.0.0, =5.6.5, =4.1.0, =4.0.3, =4.1.0, =4.0.0, =4.0.0, =5.0.0, =4.0.0, =5.3.0, =6.2.0, =5.1.0, =6.8.0, =6.4.0, =8.10.0 and more Source cves: CVE-2026-45367 Source advisory: OSV:GHSA-3653-68V6-RQ57...

ca.uhn.hapi.fhir:hapi-fhir-base-test-jaxrsserver-kotlin (>=5.6.5 <=6.8.0), ca.uhn.hapi.fhir:hapi-fhir-cli-api (>=4.0.0 <=8.8.1) +258 more potentially affected by CVE-2026-33180 via ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 (>=0.0.1 <=6.8.2)

ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 MAVEN version =0.0.1, =5.6.5, =4.0.0, =5.6.5, =4.1.0, =4.0.3, =4.1.0, =4.0.0, =4.0.0, =5.0.0, =4.0.0, =5.3.0, =6.2.0, =5.1.0, =6.8.0, =6.4.0, =8.8.1 and more Source cves: CVE-2026-33180 Source advisory: OSV:GHSA-P7M9-V2CM-2H7M...

ca.uhn.hapi.fhir:hapi-fhir-base-test-jaxrsserver-kotlin (>=5.6.5 <=6.8.0), ca.uhn.hapi.fhir:hapi-fhir-cli-api (>=4.0.0 <=7.4.5) +232 more potentially affected by CVE-2024-51132 via ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 (>=0.0.1 <=6.3.9)

ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 MAVEN version =0.0.1, =5.6.5, =4.0.0, =5.6.5, =4.1.0, =4.0.3, =4.1.0, =4.0.0, =4.0.0, =5.0.0, =4.0.0, =5.3.0, =6.2.0, =5.1.0, =6.8.0, =6.4.0, =7.4.5 and more Source cves: CVE-2024-51132 Source advisory: OSV:GHSA-4CF2-CXP3-RJR7...