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cve recordhigh

CVE-2026-63310

nltk · nltk

Published
CVSS7.1
Severityhigh
WeaknessCWE-494
ExploitedNot in CISA KEV

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H

Description

NLTK before 3.9.3 fails to verify file integrity after downloading packages and before extraction in the downloader module. Attackers can perform man-in-the-middle attacks or DNS poisoning to inject malicious package contents that are extracted without validation.

References

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