What is GHSA-79ph-w9m5-4v5m?

GHSA-79ph-w9m5-4v5m is a security advisory published by GitHub Security Advisories with High severity. NLTK versions before 3.10.0 contain a logic bug in FileSystemPathPointer.open() where the sandbox...

Which CVE IDs does GHSA-79ph-w9m5-4v5m cover?

GHSA-79ph-w9m5-4v5m covers the following CVE IDs: CVE-2026-65915. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-79ph-w9m5-4v5m?

GHSA-79ph-w9m5-4v5m has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-79ph-w9m5-4v5mHighCVSS 6.5

NLTK versions before 3.10.0 contain a logic bug in FileSystemPathPointer.open() where the sandbox...

Vendor

GitHub Security Advisories

Published

August 22, 2026

Last Modified

August 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-65915 →

📋 Description

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 (4)

https://github.com/nltk/nltk/security/advisories/GHSA-72r2-7mfr-5xr9
https://nvd.nist.gov/vuln/detail/CVE-2026-65915
https://www.vulncheck.com/advisories/nltk-before-arbitrary-file-read-via-filesystempathpointer
https://github.com/advisories/GHSA-79ph-w9m5-4v5m