Description
NLTK versions before 3.10.0 default to ENFORCE=False in pathsec.py, causing all security validation functions to emit warnings instead of raising exceptions. Attackers can bypass path traversal and pickle deserialization protections by exploiting the disabled security controls that are only active when manually enabled.
Published: 2026-08-22
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sat, 22 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Description NLTK versions before 3.10.0 default to ENFORCE=False in pathsec.py, causing all security validation functions to emit warnings instead of raising exceptions. Attackers can bypass path traversal and pickle deserialization protections by exploiting the disabled security controls that are only active when manually enabled.
Title NLTK before 3.10.0 Insecure Default Configuration pathsec
First Time appeared Nltk
Nltk nltk
Weaknesses CWE-1188
CPEs cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*
Vendors & Products Nltk
Nltk nltk
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, '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'}

Subscriptions

Nltk Nltk
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-22T14:12:38.647Z

Reserved: 2026-07-13T22:40:54.412Z

Link: CVE-2026-62388

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-22T15:16:18.967

Modified: 2026-08-22T15:16:18.967

Link: CVE-2026-62388

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-22T15:30:05Z

Weaknesses