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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33180.json"
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    ],
    "title": "HAPI FHIR: hapifhir/org.hl7.fhir.core: HAPI FHIR: Information disclosure and potential impersonation via HTTP redirects sending sensitive headers",
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    {
      "cve": "CVE-2026-33180",
      "cwe": {
        "id": "CWE-201",
        "name": "Insertion of Sensitive Information Into Sent Data"
      },
      "discovery_date": "2026-03-20T23:02:53.630684+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2449841"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in HAPI FHIR, a Java implementation of the HL7 FHIR standard. When the internal HTTP client follows redirects (HTTP 30X response codes), it can inadvertently send sensitive HTTP headers, such as authentication tokens, to unintended third-party hosts. This information disclosure could allow a remote attacker to gain unauthorized access or impersonate the client's requests, potentially compromising sensitive data.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "HAPI FHIR: hapifhir/org.hl7.fhir.core: HAPI FHIR: Information disclosure and potential impersonation via HTTP redirects sending sensitive headers",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "red_hat_fuse_7:org.hl7.fhir.convertors",
          "red_hat_fuse_7:org.hl7.fhir.validation",
          "red_hat_fuse_7:org.hl7.fhir.validation.cli"
        ]
      },
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        {
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-33180"
        },
        {
          "category": "external",
          "summary": "RHBZ#2449841",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449841"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-33180",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-33180"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33180",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33180"
        },
        {
          "category": "external",
          "summary": "https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-p7m9-v2cm-2h7m",
          "url": "https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-p7m9-v2cm-2h7m"
        }
      ],
      "release_date": "2026-03-20T22:19:59.636000+00:00",
      "remediations": [
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
            "red_hat_fuse_7:ca.uhn.hapi.fhir-org.hl7.fhir.core",
            "red_hat_fuse_7:org.hl7.fhir.convertors",
            "red_hat_fuse_7:org.hl7.fhir.validation",
            "red_hat_fuse_7:org.hl7.fhir.validation.cli"
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        },
        {
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            "red_hat_fuse_7:org.hl7.fhir.convertors",
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            "red_hat_fuse_7:org.hl7.fhir.validation.cli"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
            "version": "3.1"
          },
          "products": [
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            "red_hat_fuse_7:org.hl7.fhir.convertors",
            "red_hat_fuse_7:org.hl7.fhir.validation",
            "red_hat_fuse_7:org.hl7.fhir.validation.cli"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important",
          "product_ids": [
            "red_hat_fuse_7:ca.uhn.hapi.fhir-org.hl7.fhir.core",
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            "red_hat_fuse_7:org.hl7.fhir.validation",
            "red_hat_fuse_7:org.hl7.fhir.validation.cli"
          ]
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      ],
      "title": "HAPI FHIR: hapifhir/org.hl7.fhir.core: HAPI FHIR: Information disclosure and potential impersonation via HTTP redirects sending sensitive headers"
    }
  ]
}