Description
Two data sources (DICOMWebProxy and DICOMJSON) shipped in the default configuration fetch an arbitrary URL parameter without validation. A global authentication service in OHIF automatically injects the authenticated user's OIDC Bearer token into the resulting requests, sending it to the attacker-controlled server. DICOMweb data sources are not impacted.
Published: 2026-06-25
Score: 8.3 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

Vendor Solution

The maintainer has fixed the reported vulnerability and released version 3.12.2 (2026-05-18). The fix is located at OHIF/Viewers#5985 (master), OHIF/Viewers#5978 (release/3.12). Users are recommended to upgrade to v3.12.2 or later. Operators who need dicomwebproxy or dicomjson in authenticated deployments must additionally configure the new dangerouslyAllowedOriginsForAuthenticatedEnvironments allowlist in app-config.js.


Vendor Workaround

Users running OHIF with authentication should remove ALL unused DicomWebProxyDataSource and DicomJSONDataSource configurations from the configuration file they are deploying with.

Tracking

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Advisories

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History

Fri, 26 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 26 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Open Health Imaging Foundation
Open Health Imaging Foundation dicom Web Viewer Framework
Vendors & Products Open Health Imaging Foundation
Open Health Imaging Foundation dicom Web Viewer Framework

Thu, 25 Jun 2026 21:00:00 +0000

Type Values Removed Values Added
Description Two data sources (DICOMWebProxy and DICOMJSON) shipped in the default configuration fetch an arbitrary URL parameter without validation. A global authentication service in OHIF automatically injects the authenticated user's OIDC Bearer token into the resulting requests, sending it to the attacker-controlled server. DICOMweb data sources are not impacted.
Title OHIF Viewers DICOM Server-Side request forgery
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N'}

cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N'}


Subscriptions

Open Health Imaging Foundation Dicom Web Viewer Framework
cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-06-26T13:05:53.810Z

Reserved: 2026-06-16T20:16:53.716Z

Link: CVE-2026-12473

cve-icon Vulnrichment

Updated: 2026-06-26T13:05:50.687Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-26T09:36:22Z

Weaknesses