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Duplicate Advisory: NLTK: Missing Post-Download Integrity Verification Allows Malicious Package Injection

🗓️ 03 Aug 2026 09:32:37Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

NLTK 3.9.4 may extract packages before checksum validation, allowing malicious package injection.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-12259
3 Aug 202607:09
attackerkb
cve
CVE
CVE-2026-12259
3 Aug 202607:09
cve
cvelist
Cvelist
CVE-2026-12259 Improper Input Validation in nltk/nltk
3 Aug 202607:09
cvelist
debiancve
Debian CVE
CVE-2026-12259
3 Aug 202607:09
debiancve
euvd
EUVD
EUVD-2026-52226
8 Sep 202615:27
euvd
nvd
NVD
CVE-2026-12259
3 Aug 202608:17
nvd
osv
OSV
DEBIAN-CVE-2026-12259
3 Aug 202608:17
osv
osv
OSV
UBUNTU-CVE-2026-12259
3 Aug 202608:17
osv
ptsecurity
Positive Technologies
PT-2026-67013
3 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-12259
5 Aug 202608:43
redhatcve
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nltknltkRange3.9.2pip

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01 Sep 2026 20:30Current
6Medium risk
Vulners AI Score6
CVSS 35.3
EPSS0.001
SSVC
6