CVE-2026-79676
MEDIUM
NVD
CVSS Score
5.9
Severity
MEDIUM
Published
Aug 25, 2026
Vendor
unknown
Description
NLTK versions before 3.10.3 contain a path traversal vulnerability in corpus readers that reopen root-derived paths using built-in open() instead of nltk.pathsec.open(), allowing symlinks to escape trusted roots. Attackers who stage symlinked corpus files under a trusted data root can disclose outside-root content through normal corpus reader methods like channels(), domains(), and synonyms().