Vulnerability Description
pydicom is a pure Python package for working with DICOM files. Versions 2.0.0-rc.1 through 3.0.1 are vulnerable to Path Traversal through a maliciously crafted DICOMDIR ReferencedFileID when it is set to a path outside the File-set root. pydicom resolves the path only to confirm that it exists, but does not verify that the resolved path remains under the File-set root. Subsequent public FileSet operations such as copy(), write(), and remove()+write(use_existing=True) use that unchecked path in file I/O operations. This allows arbitrary file read/copy and, in some flows, move/delete outside the File-set root. This issue has been fixed in version 3.0.2.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pydicom | Pydicom | >= 2.0.0, < 3.0.2 |
Related Weaknesses (CWE)
References
- https://github.com/pydicom/pydicom/commit/6414f01a053dff925578799f5a7208d2ae585ePatch
- https://github.com/pydicom/pydicom/releases/tag/v3.0.2ProductRelease Notes
- https://github.com/pydicom/pydicom/security/advisories/GHSA-v856-2rf8-9f28ExploitVendor Advisory
FAQ
What is CVE-2026-32711?
CVE-2026-32711 is a vulnerability with a CVSS score of 7.8 (HIGH). pydicom is a pure Python package for working with DICOM files. Versions 2.0.0-rc.1 through 3.0.1 are vulnerable to Path Traversal through a maliciously crafted DICOMDIR ReferencedFileID when it is set...
How severe is CVE-2026-32711?
CVE-2026-32711 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-32711?
Check the references section above for vendor advisories and patch information. Affected products include: Pydicom Pydicom.