Vulnerability-Lookup

GHSA-P7M9-V2CM-2H7M

Vulnerability from github – Published: 2026-03-18 20:07 – Updated: 2026-03-25 18:12

Summary

HAPI FHIR HTTP authentication leak in redirects

Details

Impact

When setting headers in HTTP requests, the internal HTTP client sends headers first to the host in the initial URL but also, if asked to follow redirects and a 30X HTTP response code is returned, to the host mentioned in URL in the Location: response header value.

Sending the same set of headers to subsequent hosts is a problem as this header often contains privacy sensitive information or data that could allow others to impersonate the client's request.

Patches

This issue has been patched in release 6.8.3

Workarounds

None.

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.utilities"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.9.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.convertors"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.9.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.dstu2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.9.0"
            }
          ],
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        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.dstu3"
      },
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        {
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            {
              "introduced": "0"
            },
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.dstu3.support"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.9.0"
            }
          ],
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        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.dstu2016may"
      },
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        }
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    },
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        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.model"
      },
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        {
          "events": [
            {
              "introduced": "0"
            },
            {
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            }
          ],
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        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.r4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
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            }
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        }
      ]
    },
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      "package": {
        "ecosystem": "Maven",
        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.r4b"
      },
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            }
          ],
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        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.r5"
      },
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        {
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            {
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    },
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      "package": {
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        "name": "ca.uhn.hapi.fhir:org.hl7.fhir.validation"
      },
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      },
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        {
          "events": [
            {
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            },
            {
              "fixed": "6.9.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33180"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-18T20:07:49Z",
    "nvd_published_at": "2026-03-20T23:16:45Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\nWhen setting headers in HTTP requests, the internal HTTP client sends headers first to the host in the initial URL but also, if asked to follow redirects and a 30X HTTP response code is returned, to the host mentioned in URL in the Location: response header value.\n\nSending the same set of headers to subsequent hosts is a problem as this header often contains privacy sensitive information or data that could allow others to impersonate the  client\u0027s request.\n\n### Patches\nThis issue has been patched in release 6.8.3 \n\n### Workarounds\nNone.",
  "id": "GHSA-p7m9-v2cm-2h7m",
  "modified": "2026-03-25T18:12:01Z",
  "published": "2026-03-18T20:07:49Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-p7m9-v2cm-2h7m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33180"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/hapifhir/org.hl7.fhir.core"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "HAPI FHIR HTTP authentication leak in redirects"
}

CVE-2026-33180 (GCVE-0-2026-33180)

Vulnerability from cvelistv5 – Published: 2026-03-20 22:19 – Updated: 2026-07-15 01:07

Title

HAPI FHIR HTTP authentication leak in redirects

Summary

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to version 6.9.0, when setting headers in HTTP requests, the internal HTTP client sends headers first to the host in the initial URL but also, if asked to follow redirects and a 30X HTTP response code is returned, to the host mentioned in URL in the Location: response header value. Sending the same set of headers to subsequent hosts is a problem as this header often contains privacy sensitive information or data that could allow others to impersonate the client's request. This issue has been patched in release 6.9.0. No known workarounds are available.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-24 15:44 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
CWE-201 - Insertion of Sensitive Information Into Sent Data

Assigner

GitHub_M mitre root Scorecard

References

4 references

URL	Tags
https://github.com/hapifhir/org.hl7.fhir.core/sec…	x_refsource_CONFIRM
https://access.redhat.com/security/cve/CVE-2026-33180	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2449841	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

2 products

Vendor	Product	Version
hapifhir	org.hl7.fhir.core	Affected: < 6.9.0
Red Hat	Red Hat Fuse 7	cpe:/a:redhat:jboss_fuse:7

Show details on NVD website

JSON

To clipboard

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                  },
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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