NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, the NLTK downloader does not validate the `subdir` and `id` attributes when processing remote XML index files. Attackers can control a remote XML index server to provide malicious values containing path traversal sequences (such as `../`), which can lead to arbitrary directory creation, arbitrary file creation, and arbitrary file overwrite. Commit 89fe2ec2c6bae6e2e7a46dad65cc34231976ed8a patches the issue.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-33236US | — | — | ||
NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/errata/RHSA-2026:10184ADVISORY
- https://access.redhat.com/errata/RHSA-2026:19712ADVISORY
- https://access.redhat.com/errata/RHSA-2026:37275ADVISORY
- https://access.redhat.com/security/cve/CVE-2026-33236WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2449824REPORT
- https://github.com/nltk/nltk/commit/89fe2ec2c6bae6e2e7a46dad65cc34231976ed8aFIX
- https://github.com/nltk/nltk/security/advisories/GHSA-469j-vmhf-r6v7EVIDENCE
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33236.jsonWEB
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