Critical
OFFIS DCMTK Toolkit Path Traversal
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-50003
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 19:43 UTC · Revision 1
Source evidence
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.
osv:CVE-2026-50003
Complete source record
{
"id": "3642139781dacd858c9571a2d5655897a4c746a6ee823723d9d602b25dde703e",
"url": "https://osv.dev/vulnerability/CVE-2026-50003",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "OFFIS DCMTK Toolkit Path Traversal",
"summary": "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.",
"evidence": "osv:CVE-2026-50003",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2026-50003",
"aliases": [
"CVE-2026-50003"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/dcmtk/dcmtk",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "ccfd10b84ff3c9a40b7b331698aedf06d421fc43"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "3.7.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
}
],
"versions": [
"DCMTK-3.7.0",
"DCMTK-3.6.9",
"DCMTK-3.6.8",
"DCMTK-3.6.7",
"DCMTK-3.6.5",
"DCMTK-3.6.6",
"DCMTK-3.6.5+_20191213",
"DCMTK-3.6.4",
"DCMTK-3.6.3",
"DCMTK-3.6.2",
"DCMTK-3.6.1_20170228",
"DCMTK-3.6.1_20161102",
"DCMTK-3.6.1_20160630",
"DCMTK-3.6.1_20160216",
"DCMTK-3.6.1_20150924",
"DCMTK-3.6.1_20150629",
"DCMTK-3.6.1_20150217",
"DCMTK-3.6.1_20140617",
"DCMTK-3.6.1_20131114",
"DCMTK-3.6.1_20121102",
"DCMTK-3.6.1_20120831",
"DCMTK-3.6.1_20120515",
"DCMTK-3.6.1_20120222",
"DCMTK-3.6.1_20111208",
"DCMTK-3.6.1_20110922",
"DCMTK-3.6.1_20110707",
"DCMTK-3.6.1_20110519",
"DCMTK-3.6.1_20110225",
"DCMTK-3.6.0",
"DCMTK-3.5.4",
"DCMTK-3.5.3",
"DCMTK-3.5.2a",
"DCMTK-3.5.2",
"DCMTK-3.5.1",
"DCMTK-3.5.0",
"DCMTK-3.4.2",
"DCMTK-3.4.1",
"DCMTK-3.4.0",
"DCMTK-3.3.1",
"DCMTK-3.3.0",
"DCMTK-3.2.1",
"DCMTK-3.2.0",
"DCMTK-3.1.2",
"DCMTK-3.1.1",
"DCMTK-3.1.0",
"CAR96-3.0.2",
"CAR96-3.0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-50003.json"
}
}
],
"modified": "2026-10-28T02:30:22.847582895Z",
"provider": "osv",
"references": [
"https://github.com/DCMTK/dcmtk/releases/tag/latest",
"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-181-01.json",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50003.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50003",
"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-181-01"
],
"provider_metadata": {
"cwe_ids": [
"CWE-22"
],
"cna_assigner": "icscert",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50003.json"
}
},
"related_cves": [
{
"value": "CVE-2026-50003",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 489278,
"published_at": "2026-06-30T21:27:42.468+00:00"
}