Path traversal in pydicom - CVE-2026-32711
Published: July 14, 2026
Vulnerability identifier: #VU137406
CSH Severity: Low
CVSS v4: 7 [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]
CVE-ID: CVE-2026-32711
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
pydicom
Data Cataloging
IBM Fusion HCI
Fedora
python-pydicom
Data Cataloging
IBM Fusion HCI
Fedora
python-pydicom
How to mitigate CVE-2026-32711
Install updates from vendor's website.
pydicom - addressed in versions 2.4.5, 3.0.2
IBM Fusion HCI - update to 2.13.0
Data Cataloging - update to 2.5.3
python-pydicom - addressed in versions 3.0.2-1.fc42, 3.0.2-1.fc43, 3.0.2-1.fc44
IBM Fusion HCI - update to 2.13.0
Data Cataloging - update to 2.5.3
python-pydicom - addressed in versions 3.0.2-1.fc42, 3.0.2-1.fc43, 3.0.2-1.fc44