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CVE-2026-109956

8.3 high SSVC exploitation: poc Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 19:46
  2. StatusReceived → Awaiting AnalysisNVD modified 2026-10-16 19:15
  3. First seenCVSS 8.3NVD modified 2026-10-13 14:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3