CVE-2026-105667
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductJ4care Dcm4chee-arc-light
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| J4Care dcm4chee-arc-light | 5.35.1 | — |
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