Insufficiently protected credentials in FHIR - CVE-2026-34361
Published: May 4, 2026
Vulnerability identifier: #VU129396
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-34361
CWE-ID: CWE-522
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to insufficiently protected credentials in the /loadIG endpoint. A remote attacker can steal authentication tokens configured for legitimate FHIR servers.
Affected software
FHIR
How to mitigate CVE-2026-34361
Install updates from vendor's website.
FHIR - update to 6.9.4