Path traversal in pydicom - CVE-2026-32711
Published: July 14, 2026
Vulnerability identifier: #VU137406
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-32711
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: pydicom
Affected software:
pydicom
pydicom
Detailed vulnerability description
The vulnerability allows a local user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A local user can trick the victim into opening a maliciously crafted DICOMDIR ReferencedFileID when it is set to a path outside the File-set root and read arbitrary files on the system.
How to mitigate CVE-2026-32711
Install updates from vendor's website.