Path Traversal in Pydicom
CVE-2026-32711
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. p…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.000 (0.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Pydicom — versions >= 2.0.0-rc.1, < 3.0.2
Weakness classification (CWE)
References
- https://github.com/pydicom/pydicom/security/advisories/GHSA-v856-2rf8-9f28 (x_refsource_CONFIRM)
- https://github.com/pydicom/pydicom/commit/6414f01a053dff925578799f5a7208d2ae585e82 (x_refsource_MISC)
- https://github.com/pydicom/pydicom/releases/tag/v3.0.2 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-32711?
- CVE-2026-32711 is a high-severity vulnerability in Pydicom, classified under Path Traversal. CVSS score: 7.8/10. Published 2026-03-20.
- How severe is CVE-2026-32711?
- High severity. CVSS v3 base score is 7.8 out of 10.