PYSEC-2026-3740

vendorUSosv
view advisory published 2026-08-27Licence: CC-BY-4.0

NLTK through 3.10.3 contains a path traversal vulnerability in model-artifact APIs that bypass pathsec enforcement by using raw file operations on caller-controlled paths. Attackers can read or write files outside allowed sandbox roots through TransitionParser, AveragedPerceptron, PerceptronTagger, and maxent parameter APIs when pathsec is enabled.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-81726UShigh7.0—
NLTK through 3.10.3 contains a path traversal vulnerability in model-artifact APIs that bypass pathsec enforcement by using raw file operations on caller-controlled paths. Attacker…
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references

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