01 Record

CVE-2026-63312

NLTK StreamBackedCorpusView Bypasses pathsec.ENFORCE Arbitrary File Read

HighPUBLISHEDCNA: VulnCheck

Base score8.7 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

02 Description

NLTK StreamBackedCorpusView Bypasses pathsec.ENFORCE Arbitrary File Read

Published

2026-08-22 14:12Z2 HR AGO

Last updated

2026-08-22 14:12Z2 HR AGO

Reserved

2026-07-16

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 8.7)

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Weaknesses

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

SSVC decision

No CISA-ADP assessment

Data version

5.2

Document digest

55e993e194ef08b93e54a07281ccb228857f329e96083bad4090a62afc0049a8

VendorProductVersionsPlatforms

nltknltk0 to < 3.10.0—

github.comGitHub Security Advisory (GHSA-x5ph-mj9p-rfr8)https://github.com/nltk/nltk/security/advisories/GHSA-x5ph-mj9p-rfr8vendor-advisory
www.vulncheck.comVulnCheck Advisory: NLTK StreamBackedCorpusView Bypasses pathsec.ENFORCE Arbitrary File Readhttps://www.vulncheck.com/advisories/nltk-streambackedcorpusview-bypasses-pathsec-enforce-arbitrary-file-readthird-party-advisory