CVE-2026-105667

J4Care dcm4che Missing Authentication for Critical Function

Published Oct 16, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
In the default configuration, the HL7 listener accepts ADT^A40 patient-merge messages without authenticating the sending application. A remote sender can reassign studies and related workflow records from one patient identity to another. The archive's unmerge does not reverse this.

Remediation

Vendor Solution

J4Care has provided a fix for the vulnerability. J4Care recommends users implement release 5.35.2 or later.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared J4care
J4care dcm4chee-arc-light
Vendors & Products J4care
J4care dcm4chee-arc-light
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In the default configuration, the HL7 listener accepts ADT^A40 patient-merge messages without authenticating the sending application. A remote sender can reassign studies and related workflow records from one patient identity to another. The archive's unmerge does not reverse this.
Title J4Care dcm4che Missing Authentication for Critical Function
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Oct 16, 2026, 3:20 PM
Reserved
Oct 12, 2026, 7:33 PM
Status
Deferred
Published
Oct 16, 2026, 3:17 PM
Modified
Oct 16, 2026, 8:04 PM