HIGH 7.1 NVD
CVE-2026-65915
NLTK versions before 3.10.0 contain a logic bug in FileSystemPathPointer.open() where the sandbox validation check compares a normalized path against itself, ma
NLTK versions before 3.10.0 contain a logic bug in FileSystemPathPointer.open() where the sandbox validation check compares a normalized path against itself, making the security check permanently inert. Attackers can pass file:// URLs to nltk.data.load() to read arbitrary files accessible to the process user, including credentials and configuration files.
References
- https://github.com/nltk/nltk/security/advisories/GHSA-72r2-7mfr-5xr9
- https://www.vulncheck.com/advisories/nltk-before-arbitrary-file-read-via-filesystempathpoi
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-22 via NVD.
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