CVE-2026-50003

CRITICAL

A malicious or compromised server can make a DCMTK client using bit-preserving C-GET storage mode write files outside the chosen output directory, using both relative (../) paths and absolute paths.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 6/30/2026Modified: 7/1/2026

Related Intelligence (1)

CRITICALPhishing

OFFIS DCMTK Toolkit

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-181-01.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Successful exploitation of these vulnerabilities could allow an attacker to write files, access unauthorized information, exhaust memory, or crash affected DCMTK client or server processes.</strong></p> <p>The following versions of O

CVE-2026-50003CVE-2026-50254
CISA Advisories

References (3)

https://github.com/DCMTK/dcmtk/releases/tag/latesthttps://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-181-01.jsonhttps://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-181-01