HAPI FHIR Core has Authentication Credential Leakage via Improper URL Prefix Matching on HTTP Redirect

ManagedWebAccessUtils.getServer uses String.startsWith to match request URLs against configured server URLs for authentication credential dispatch. Because configured server URLs e.g., http://tx.fhir.org lack a trailing slash or host boundary check, an attacker-controlled domain like...

PT-2026-29163

Name of the Vulnerable Software and Affected Versions HAPI FHIR versions prior to 6.9.4 Description The /loadIG API endpoint in the FHIR Validator HTTP service does not properly validate user-supplied URLs provided via a JSON body before making server-side HTTP requests. This allows an...

FHIR Validator: Unauthenticated Blind SSRF via /loadIG Endpoint Enables Internal Network Probing

The /loadIG HTTP endpoint in the FHIR Validator HTTP service accepts a user-supplied URL via JSON body and makes server-side HTTP requests to it without any hostname, scheme, or domain validation. An unauthenticated attacker with network access to the validator can probe internal network services...

CVE-2026-34360

creationtimestamp| type| source ---|---|--- 2026-03-27 13:33:36+00:00| published-proof-of-concept| https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-3ww8-jw56-9f5h...

CVE-2026-33180

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 cou...

CVE-2026-33180

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...

CVE-2026-33180

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...

CVE-2026-33180

HAPI FHIR (Java) prior to 6.9.0 is affected: when the internal HTTP client follows redirects (HTTP 3xx), it may resend the same request headers to the host in the Location header as well as the initial URL. This exposes privacy-sensitive headers (e.g., authentication tokens) to unintended third-p...

CVE-2026-33180 HAPI FHIR HTTP authentication leak in redirects

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...

CVE-2026-33180 HAPI FHIR HTTP authentication leak in redirects

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...

CVE-2026-33180 HAPI FHIR HTTP authentication leak in redirects

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...

HAPI FHIR 信息泄露漏洞

HAPI FHIR is an open-source Java-based HL7 FHIR API developed by HAPI FHIR. Versions of HAPI FHIR prior to 6.9.0 contained a vulnerability related to information leakage. This vulnerability occurred because the internal HTTP client, when setting HTTP request headers, sent the same set of headers ...

GHSA-P7M9-V2CM-2H7M HAPI FHIR HTTP authentication leak in redirects

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...

HAPI FHIR HTTP authentication leak in redirects

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...

HAPI FHIR HTTP authentication leak in redirects

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 ...

HAPI FHIR HTTP authentication leak in redirects

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 ...

HAPI FHIR HTTP authentication leak in redirects

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 ...

HAPI FHIR HTTP authentication leak in redirects

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 ...

HAPI FHIR HTTP authentication leak in redirects

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 ...

HAPI FHIR HTTP authentication leak in redirects

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 ...