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.
CVSS 7.1EPSS 0.11%Risk 0.72
View source- Published
- 2026-08-22 15:16:19
- Affected versions
- <3.9.3
- Type
- Library
- Last modified
- 2026-08-24 20:16:55
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H