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Low · 3.3 CVE-2026-126302 EUVD-2026-125219GHSA-w2j9-qh3j-4h63

NLTK 3.9.4 before 3.10.4 Symlink Sandbox Escape via chat80.sql_query

Published Nov 13, 2026 · Updated Nov 13, 2026 · Assigned by VulnCheck

Description

NLTK from 3.9.4 before 3.10.4 contains a symlink following vulnerability in nltk.sem.chat80.sql_query() that bypasses the pathsec data-root sandbox containment check. Attackers who can write into a trusted NLTK data root can plant a symbolic link to read SQLite databases outside the sandbox.

Affected products

VendorProductAffectedFixed
nltk nltk 3.9.4 – < 3.10.4 3.10.4

References