CVE-2026-105279 J4Care dcm4che Missing Authentication for Critical Function
Remote attackers can access and modify patient data in dcm4chee-arc-light due to missing authentication for DICOM associations in default configurations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-105279?
CVE-2026-105279 is a critical missing authorization vulnerability in J4Care dcm4chee-arc-light, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-105279?
How do I fix CVE-2026-105279?
No fix has been published for CVE-2026-105279 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-105279 being exploited?
There is no known exploitation of CVE-2026-105279 in the wild and no public exploit code.