Vulnerability Description
The qrscp application's C-STORE handler uses a specific instance from attacker-supplied DICOM datasets directly in os.path.join() without sanitization, allowing file writes to arbitrary paths.
CVSS Score
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Related Weaknesses (CWE)
References
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-1
- https://github.com/pydicom/pynetdicom
- https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-176-01
FAQ
What is CVE-2026-56445?
CVE-2026-56445 is a vulnerability with a CVSS score of 9.1 (CRITICAL). The qrscp application's C-STORE handler uses a specific instance from attacker-supplied DICOM datasets directly in os.path.join() without sanitization, allowing file writes to arbitrary paths.
How severe is CVE-2026-56445?
CVE-2026-56445 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-56445?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.