CVE-2026-109956 — NLTK through 3.10.3 Path Traversal via WekaClassifier Model Path
NLTK through 3.10.3 contains a path traversal vulnerability in WekaClassifier that allows attackers to bypass nltk.pathsec containment by supplying unvalidated model paths. Atta…
Published: 2026-10-13 · CVSS: 8.3 · CVSS 4.0
NLTK through 3.10.3 contains a path traversal vulnerability in WekaClassifier that allows attackers to bypass nltk.pathsec containment by supplying unvalidated model paths. Attackers controlling the model_filename or model argument can make the weka JVM write files via -d or probe files via -l outside allowed data roots.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7