Critical severity · published Oct 16, 2026
CVE-2026-105279
J4Care dcm4che Missing Authentication for Critical Function
9.1
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DC
dcm4chee-arc-light · J4Care
5.35.1 · source: vendor
In the news
VulnerabilityCritical
J4Care dcm4che
View CSAF
Summary
Successful exploitation of these vulnerabilities could allow an attacker to delete stored medical images, disclose patient information, inject forged studies, reassign patient records, overwrite files, and cause a denial-of-service condition.
The following versions of J4Care dcm4che are affected:
dcm4chee-arc-light 5.35.1 (CVE-2026-97851, CVE-2026-107621, CVE-2026-105273, CVE-2026-101021, CVE-2026-105279, CVE-2026-105667)
CVSS
Vendor
Equipment
v3 9.1
J4Care
dcm4chee-arc-light
4 Vulnerabilities
Missing Authorization, Loop with Unreachable Exit Condition ('Infinite Loop'), Inefficient Algorithmic Complexity, Missing Authentication for Critical Function
Background
Critical Infrastructure Sectors: Healthcare and Public Health
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Austria
Vulnerabilities
Expand All +
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.
Read More
1 Affected Product
J4Care dcm4chee-arc-light: 5.35.1
Product Status: known_affected
Remediations
Mitigation J4Care has provided a fix for the vulnerabilities. J4Care ...
Oct 15, 2026·CISA Advisories
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105279
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105279
github.com
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-288-02.json
www.cisa.gov
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-288-02
More from dcm4chee-arc-light
9.1
CVE-2026-97851
J4Care dcm4che Missing Authorization
7.5
CVE-2026-105667
J4Care dcm4che Missing Authentication for Critical Function
7.5
CVE-2026-101021
J4Care dcm4che Inefficient Algorithmic Complexity
7.5
CVE-2026-105273
J4Care dcm4che Loop with Unreachable Exit Condition
7.5
CVE-2026-107621
J4Care dcm4che Loop with Unreachable Exit Condition
