CVE-2026-105667

HIGH 7.5

J4Care dcm4che Missing Authentication for Critical Function

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306
Vendor	j4care
Product	dcm4chee-arc-light
Published	Oct 16, 2026
Last Updated	Oct 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Affected Versions

J4Care / dcm4chee-arc-light

5.35.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cisa.gov: https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-288-02 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-288-02.json

Credits

Abhinav Agarwal reported this vulnerability to CISA.