HIGHVulnerability
CVE-2026-63310
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.
Properties
- severity
- HIGH
- score
- 7.1
- cve_id
- CVE-2026-63310
- vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H
- published_at
- 2026-08-22T15:16:19.100
- last_modified
- 2026-08-31T18:48:58.893
Related Entities (3)
HAS_WEAKNESS (1)
→[Weakness]Download of Code Without Integrity Check
DESCRIBED_BY (1)
→[Source]NVD
AFFECTS_PRODUCT (1)
→[Product]
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