Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/nltk/nltk/security/advisories/GHSA-p3m8-78j2-g5p3
- https://www.vulncheck.com/advisories/nltk-before-insecure-default-configuration-
FAQ
What is CVE-2026-62388?
CVE-2026-62388 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 pi...
How severe is CVE-2026-62388?
CVE-2026-62388 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-62388?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.