ca.uhn.hapi.fhir:org.hl7.fhir.r4b Known Vulnerabilities & Fixes
ca.uhn.hapi.fhir:org.hl7.fhir.r4b has 7 known security vulnerabilities in Maven (Java). Upgrade to version 6.9.9 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 6.9.9
Upgrading to 6.9.9 or later resolves all 7 known vulnerabilities in ca.uhn.hapi.fhir:org.hl7.fhir.r4b. Update your pom.xml or build.gradle to version 6.9.9.
Is ca.uhn.hapi.fhir:org.hl7.fhir.r4b in your project?
Check if you're affected and upgrade to 6.9.9 to stay secure.
Security Summary
- 8 affected version ranges have been identified across these 7 advisories.
- 100% of known issues have a published fixed version.
- Remediation: Update the ca.uhn.hapi.fhir:org.hl7.fhir.r4b version in your pom.xml or build.gradle
Vulnerabilities
7 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Jan 23, 2023, most recently Jul 9, 2026 (1263 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-33180 HAPI FHIR HTTP authentication leak in redirects | CRITICAL | 5.6.100, 5.6.101, 5.6.102, 5.6.103 (+248 more) | 6.9.0 |
| CVE-2023-24057 MITM based Zip Slip in `ca.uhn.hapi.fhir:org.hl7.fhir.core` | CRITICAL | 5.6.22, 5.6.23, 5.6.24, 5.6.25 (+65 more) | 5.6.92 |
| CVE-2024-51132 HAPI FHIR XML External Entity (XXE) vulnerability | HIGH | 5.6.100, 5.6.101, 5.6.102, 5.6.103 (+190 more) | 6.4.0 |
| CVE-2026-49485 org.hl7.fhir.core: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint | HIGH | 6.9.5, 6.9.6, 6.9.7, 6.9.8 (+258 more) | 6.9.9, 6.9.4.2 |
| CVE-2024-52007 XXE vulnerability in XSLT parsing in `org.hl7.fhir.core` | HIGH | 5.6.100, 5.6.101, 5.6.102, 5.6.103 (+190 more) | 6.4.0 |
| CVE-2024-45294 XXE vulnerability in XSLT transforms in `org.hl7.fhir.core` | HIGH | 5.6.100, 5.6.101, 5.6.102, 5.6.103 (+180 more) | 6.3.23 |
| CVE-2026-45367 HAPI FHIR: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint | HIGH | 5.6.100, 5.6.101, 5.6.102, 5.6.103 (+257 more) | 6.9.7 |
About This Data
Vulnerability data for ca.uhn.hapi.fhir:org.hl7.fhir.r4b is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related Maven (Java) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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