CRITICAL CWE-22
CVE-2026-56445
pydicom pynetdicom Library Path Traversal
Pydicom·pynetdicom Library
9.1/ 10
CVSS 3.1
Critical severity
0.64%
EPSS exploit odds
Chance of exploitation in the next 30 days
Higher than 51% of all CVEs
Not listed
CISA KEV catalog
No confirmed in-the-wild exploitation on CISA's list.
Timeline
- Published
- Jun 25, 2026
- Updated
- Jun 26, 2026
- First covered
- Jun 29, 2026
- Latest story
- 5 months ago
Summary
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.
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Attack profile
Attack vectorNetwork
ComplexityLow
PrivilegesNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HAffected products
- Pydicom pynetdicom Library1.0.0 to 3.0.4