🛡️ CVE-2026-34360 on Maven (Root.io) — org.hl7.fhir.core

Distribution advisory

This page covers CVE-2026-34360 as tracked by Maven (Root.io), for the package org.hl7.fhir.core. The fix is available in version 6.9.0-aikido.10; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity none, availability none. (rating taken from the base CVE record.)

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Changed — a successful attack reaches components beyond the vulnerable one.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: None.
• Availability impact: None.

Weakness class

ROOT-APP-MAVEN-CVE-2026-34360 is classified as CWE-918: Server-Side Request Forgery (SSRF). The server fetches a URL supplied by the caller, which can be pointed at internal systems it alone can reach.

Affected software

ROOT-APP-MAVEN-CVE-2026-34360 is recorded against 2 packages.

• ca.uhn.hapi.fhir:org.hl7.fhir.core (fixed in 6.9.0-aikido.10)
• io.root.ca.uhn.hapi.fhir:org.hl7.fhir.core (fixed in 6.9.0-root.io.10)

Timeline and source

Published on 16 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Other advisories for this package

ca.uhn.hapi.fhir:org.hl7.fhir.core has other advisories on record. If you are patching this one, these are worth checking on the same host:

• ROOT-APP-MAVEN-CVE-2026-34359 (8.0 High, published 13 Aug 2026)
• CVE-2026-34360 (published 30 Mar 2026)
• CVE-2026-34359 (8.0 High, published 30 Mar 2026)
• CVE-2023-28465 (8.0 High, published 10 Mar 2023)
• CVE-2023-24057 (9.5 Critical, published 23 Jan 2023)

Same weakness in other software

These advisories are the same class of weakness (CWE-918: Server-Side Request Forgery (SSRF)) in other software:

• CVE-2026-54494 (published 19 Aug 2026)
• CVE-2026-54493 (8.0 High, published 19 Aug 2026)
• CVE-2026-54492 (4.3 Medium, published 19 Aug 2026)
• CVE-2026-54249 (6.8 Medium, published 19 Aug 2026)
• CVE-2026-54491 (8.0 High, published 19 Aug 2026)
• CVE-2026-47719 (8.2 High, published 18 Aug 2026)
• CVE-2026-50143 (8.1 High, published 18 Aug 2026)
• CVE-2026-48053 (5.8 Medium, published 17 Aug 2026)

CVE-2026-34360 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References