Path traversal in Natural Language Toolkit - CVE-2026-33236
Published: August 7, 2026
Vulnerability identifier: #VU141240
CSH Severity: High
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-33236
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to overwrite arbitrary files.
The vulnerability exists due to path traversal in the downloader component when processing user-supplied download paths. A remote attacker can supply a specially crafted path to overwrite arbitrary files.
User interaction is required to initiate the download process.
Affected software
Natural Language Toolkit
How to mitigate CVE-2026-33236
Install security update from vendor's website.
Natural Language Toolkit - update to 3.9.4