Vulnerability · Published Jun 30, 2026 · Assigned by icscert
CVE-2026-50003OFFIS DCMTK Toolkit Path Traversal
Critical 9.8
In plain English
A critical-severity path traversal in DCMTK Toolkit from OFFIS DICOM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 48.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | dcmtk | no fix listed | DEBIAN-CVE-2026-50003 |
| Debian:13 | dcmtk | 3.6.9-5+deb13u3 | DEBIAN-CVE-2026-50003 |
| Debian:14 | dcmtk | 3.7.0+really3.7.0-7 | DEBIAN-CVE-2026-50003 |
| Ubuntu:25.10 | dcmtk | no fix listed | UBUNTU-CVE-2026-50003 |
| Ubuntu:26.04:LTS | dcmtk | no fix listed | UBUNTU-CVE-2026-50003 |
| Ubuntu:26.10 | dcmtk | no fix listed | UBUNTU-CVE-2026-50003 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OFFIS DICOM | DCMTK Toolkit | 0 – through 3.7.0 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H