What is CVE-2026-97851?

CVE-2026-97851 is a critical-severity vulnerability in J4care Dcm4chee-Arc-Light, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-10-16.

How severe is CVE-2026-97851?

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

Auth bypass in J4care Dcm4chee-Arc-Light

CVE-2026-97851

The storage status-change REST service allows location records still associated with DICOM instances to be changed to deletion-related states. Changing a location to TO_DELETE causes PurgeStorageScheduler to delete the referenced object from storage even though the corresponding instance record remains in the database.

Vulnerability class: Broken Access Control

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:N/I:H/A:H.

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-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-97851?: CVE-2026-97851 is a critical-severity vulnerability in J4care Dcm4chee-Arc-Light, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-10-16.
How severe is CVE-2026-97851?: Critical severity. CVSS v3 base score is 9.1 out of 10.