HighFix available
nltk — security advisory
NLTK versions before 3.10.0 contain a path traversal vulnerability in FramenetCorpusReader and NKJPCorpusReader that allows attackers to parse XML files outside the corpus root by supplying unsafe selectors or poisoned index state. Attackers can exploit frame_by_name, doc, lu, and header methods with crafted parameters to read arbitrary XML files accessible to the application.
- Products
- nltk
- Affected versions
- 3.10.0-1, 3.10.1-1, 3.10.3-1, 3.8-1, 3.8.1-1, 3.9.1-1, 3.9.1-2, 3.9.2-1, 3.9.3-1
- Fixed versions
- 3.10.0-1
- CVEs
- CVE-2026-62385
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 16:46 UTC · Revision 1
Source evidence
NLTK versions before 3.10.0 contain a path traversal vulnerability in FramenetCorpusReader and NKJPCorpusReader that allows attackers to parse XML files outside the corpus root by supplying unsafe selectors or poisoned index state. Attackers can exploit frame_by_name, doc, lu, and header methods with crafted parameters to read arbitrary XML files accessible to the application.
osv:DEBIAN-CVE-2026-62385
nltk
Fixed versions: Not specified
nltk
Fixed versions: Not specified
nltk
Fixed versions: 3.10.0-1
Complete source record
{
"id": "10e1e5d5fb54424a6f55662f8187531004f328877bd767f669db445f90ca1640",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-62385",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-62385",
"summary": "NLTK versions before 3.10.0 contain a path traversal vulnerability in FramenetCorpusReader and NKJPCorpusReader that allows attackers to parse XML files outside the corpus root by supplying unsafe selectors or poisoned index state. Attackers can exploit frame_by_name, doc, lu, and header methods with crafted parameters to read arbitrary XML files accessible to the application.",
"evidence": "osv:DEBIAN-CVE-2026-62385",
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{
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"evidence": "/affected/0/versions"
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{
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{
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"severity": "high",
"structured": {
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"aliases": [
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"metrics": [
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"affected": [
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"database_specific": {
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{
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"package": {
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"ecosystem": "Debian:13"
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}
],
"modified": "2026-10-15T09:47:39.542984164Z",
"provider": "osv",
"upstream": [
"CVE-2026-62385"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-62385"
]
},
"related_cves": [
{
"value": "CVE-2026-62385",
"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 328177,
"published_at": "2026-08-22T15:16:18.833+00:00"
}