CVE-2026-81726
High · 7.0CVSS
7.0
EPSS
0.3%
Published
Aug 27, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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