# ca.uhn.hapi.fhir:org.hl7.fhir.validation (Maven) vulnerabilities

Source: https://junglewise.ai/threats/technologies/ca-uhn-hapi-fhir-org-hl7-fhir-validation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/ca-uhn-hapi-fhir-org-hl7-fhir-validation.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 10 vulnerabilities in ca.uhn.hapi.fhir:org.hl7.fhir.validation (Maven): 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-81876, was published on 16 September 2026. Nothing in the last four weeks, down from 2 vulnerabilities in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 2
- All time: 10 (1 critical, 0 exploited in the wild)

## About ca.uhn.hapi.fhir:org.hl7.fhir.validation (Maven)

A Java library for validating HL7 FHIR resources within the HAPI FHIR framework.

## Latest ca.uhn.hapi.fhir:org.hl7.fhir.validation (Maven) vulnerabilities

- [CVE-2026-81876: HAPI FHIR SHCParser DEFLATE infinite loop denial of service](https://junglewise.ai/threats/cve-2026-81876-hapi-fhir-shcparser-deflate-infinite-loop-denial-of-service) (high, CVSS 7.5, published 16 Sep 2026)
- [CVE-2026-81875: HAPI FHIR SHCParser unbounded DEFLATE decompression denial of service](https://junglewise.ai/threats/cve-2026-81875-hapi-fhir-shcparser-unbounded-deflate-decompression-denial-of) (high, CVSS 7.5, published 16 Sep 2026)
- [CVE-2026-49485: HAPI FHIR ReDoS in FHIRPathEngine](https://junglewise.ai/threats/cve-2026-49485-hapi-fhir-redos-in-fhirpathengine) (high, CVSS 7.5, published 17 Jul 2026)
- [CVE-2026-45367: HAPI FHIR ReDoS in FHIRPathEngine](https://junglewise.ai/threats/cve-2026-45367-hapi-fhir-redos-in-fhirpathengine) (high, CVSS 7.5, published 16 Jul 2026)
- [CVE-2026-55470: HAPI FHIR ReDoS in DSTU2 FHIRPathEngine](https://junglewise.ai/threats/cve-2026-55470-hapi-fhir-redos-in-dstu2-fhirpathengine) (high, CVSS 7.5, published 8 Jul 2026)
- [CVE-2026-34361: HAPI FHIR SSRF and credential leak in FHIR Validator](https://junglewise.ai/threats/cve-2026-34361-hapi-fhir-ssrf-and-credential-leak-in-fhir-validator) (critical, CVSS 9.3, published 31 Mar 2026)
- [CVE-2026-33180: HAPI FHIR sensitive information leak via HTTP redirects](https://junglewise.ai/threats/cve-2026-33180-hapi-fhir-sensitive-information-leak-via-http-redirects) (high, CVSS 7.5, published 20 Mar 2026)
- [CVE-2024-51132: HAPI FHIR XML External Entity (XXE) vulnerability](https://junglewise.ai/threats/cve-2024-51132-hapi-fhir-xml-external-entity-xxe-vulnerability) (low, CVSS 3.1, published 5 Nov 2024)
- [CVE-2023-28465: HL7 FHIR Partial Path Zip Slip due to bypass of](https://junglewise.ai/threats/cve-2023-28465-hl7-fhir-partial-path-zip-slip-due-to-bypass-of) (low, CVSS 3.1, published 10 Mar 2023)
- [CVE-2023-24057: MITM based Zip Slip in `org.hl7.fhir.publisher:org.hl7.fhir.publisher`](https://junglewise.ai/threats/cve-2023-24057-mitm-based-zip-slip-in-ca-uhn-hapi-fhir-org-hl7-fhir-core) (low, CVSS 3.1, published 23 Jan 2023)

## Most severe ca.uhn.hapi.fhir:org.hl7.fhir.validation (Maven) vulnerabilities

- [CVE-2026-34361: HAPI FHIR SSRF and credential leak in FHIR Validator](https://junglewise.ai/threats/cve-2026-34361-hapi-fhir-ssrf-and-credential-leak-in-fhir-validator) (critical, CVSS 9.3, published 31 Mar 2026)
- [CVE-2026-49485: HAPI FHIR ReDoS in FHIRPathEngine](https://junglewise.ai/threats/cve-2026-49485-hapi-fhir-redos-in-fhirpathengine) (high, CVSS 7.5, published 17 Jul 2026)
- [CVE-2026-45367: HAPI FHIR ReDoS in FHIRPathEngine](https://junglewise.ai/threats/cve-2026-45367-hapi-fhir-redos-in-fhirpathengine) (high, CVSS 7.5, published 16 Jul 2026)
- [CVE-2026-55470: HAPI FHIR ReDoS in DSTU2 FHIRPathEngine](https://junglewise.ai/threats/cve-2026-55470-hapi-fhir-redos-in-dstu2-fhirpathengine) (high, CVSS 7.5, published 8 Jul 2026)
- [CVE-2026-81876: HAPI FHIR SHCParser DEFLATE infinite loop denial of service](https://junglewise.ai/threats/cve-2026-81876-hapi-fhir-shcparser-deflate-infinite-loop-denial-of-service) (high, CVSS 7.5, published 16 Sep 2026)
- [CVE-2026-81875: HAPI FHIR SHCParser unbounded DEFLATE decompression denial of service](https://junglewise.ai/threats/cve-2026-81875-hapi-fhir-shcparser-unbounded-deflate-decompression-denial-of) (high, CVSS 7.5, published 16 Sep 2026)
- [CVE-2026-33180: HAPI FHIR sensitive information leak via HTTP redirects](https://junglewise.ai/threats/cve-2026-33180-hapi-fhir-sensitive-information-leak-via-http-redirects) (high, CVSS 7.5, published 20 Mar 2026)
- [CVE-2024-51132: HAPI FHIR XML External Entity (XXE) vulnerability](https://junglewise.ai/threats/cve-2024-51132-hapi-fhir-xml-external-entity-xxe-vulnerability) (low, CVSS 3.1, published 5 Nov 2024)
- [CVE-2023-28465: HL7 FHIR Partial Path Zip Slip due to bypass of](https://junglewise.ai/threats/cve-2023-28465-hl7-fhir-partial-path-zip-slip-due-to-bypass-of) (low, CVSS 3.1, published 10 Mar 2023)
- [CVE-2023-24057: MITM based Zip Slip in `org.hl7.fhir.publisher:org.hl7.fhir.publisher`](https://junglewise.ai/threats/cve-2023-24057-mitm-based-zip-slip-in-ca-uhn-hapi-fhir-org-hl7-fhir-core) (low, CVSS 3.1, published 23 Jan 2023)

## Vulnerabilities per week

Nothing in the last four weeks, down from 2 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 2 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

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## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "ca.uhn.hapi.fhir:org.hl7.fhir.validation (Maven) vulnerabilities", https://junglewise.ai/threats/technologies/ca-uhn-hapi-fhir-org-hl7-fhir-validation, 9 November 2026.