High 7.5HealthcarePublished Oct 16, 2026

CVE-2026-105667J4Care dcm4che Missing Authentication for Critical Function

Updated under an hour ago (Oct 28, 2026, 1:30 AM ET)

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It affects J4Care dcm4chee-arc-light. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.24%, higher than 15% of scored CVEs.

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Every CVE for J4Care dcm4chee-arc-light

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.24% (percentile 15)
Assigned by: icscert
NVD analysis: Deferred
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 16, 2026

Affected products

Affected products

J4Care dcm4chee-arc-light j4care:dcm4chee_arc_light (from the name)	5.35.1; 5.35.2 not affected	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.