What is CVE-2026-105279?

CVE-2026-105279 is a critical-severity vulnerability in J4care Dcm4chee-Arc-Light, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-10-16.

How severe is CVE-2026-105279?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in J4care Dcm4chee-Arc-Light

CVE-2026-105279

In the default configuration, the archive accepts DICOM associations from an unregistered calling AE. A remote peer can use C-FIND and C-GET to enumerate and retrieve patient information and medical images. It can also use C-STORE to file fabricated study content under an existing patient identity.

Vulnerability class: Broken Authentication

Published 2026-10-16 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

J4care Dcm4chee-Arc-Light — versions 5.35.1

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

Frequently asked questions

What is CVE-2026-105279?: CVE-2026-105279 is a critical-severity vulnerability in J4care Dcm4chee-Arc-Light, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-10-16.
How severe is CVE-2026-105279?: Critical severity. CVSS v3 base score is 9.1 out of 10.