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VULNERABILITIES

CVE-2026-62383 Details

Description

nltk versions before 3.10.2 contain a symlink-based arbitrary file read vulnerability in IPIPANCorpusReader methods that bypass nltk.pathsec validation entirely. Attackers can place a symlink in the corpus root directory and read arbitrary files accessible to the process by calling channels(), domains(), categories(), or fileids() methods with the symlink filename.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/nltk/nltk/security/advisories/GHSA-3hhw-38pf-pxj6 [email protected]ExploitMitigationVendor Advisory
https://www.vulncheck.com/advisories/nltk-ipipancorpusreader-symlink-arbitrary-file-read [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')[email protected]

Affected Products

ProductVersions
nltk nltk
>= 3.10.0, < 3.10.2

CPE

  • cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-62383
NVD Published Date:
Aug 22, 2026
NVD Last Modified:
Aug 27, 2026
Source:
[email protected]
CVE-2026-62383 Details - Not Deferred