CVE-2026-62388 (GCVE-0-2026-62388)

Vulnerability from cvelistv5 – Published: 2026-08-22 14:12 – Updated: 2026-08-29 11:47
VLAI
Title
NLTK before 3.10.0 Insecure Default Configuration in pathsec.py
Summary
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.
Severity
8.7 (High)
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
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 17:53 UTC
CWE
  • CWE-1188 - Initialization of a Resource with an Insecure Default
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6251 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
nltk nltk Affected: 0 , < 3.10.0 (semver)
Unaffected: 3.10.0 (semver)
    cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-07 00:00
Show details on NVD website
To clipboard 

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