CVE-2026-56445

CRITICAL

pydicom pynetdicom Library Path Traversal

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 9.1
EPSS 0.0043
EPSS Percentile 35.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-22
Status published
Products (1)
pydicom/pynetdicom Library 1.0.0 - 3.0.4
Published Jun 25, 2026
Tracked Since Jun 26, 2026