What’s Vulnerable › Vulnerabilities

CVE-2026-56445: pydicom pynetdicom Library Path Traversal

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-25 · updated 2026-10-25
• Weakness: CWE-22

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.

Affected products

• pydicom pynetdicom Library: from 1.0.0 through 3.0.4

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-176-01.json
• https://github.com/pydicom/pynetdicom
• https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-176-01

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