CVSS 3.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
A critical vulnerability exists in the NLTK downloader component of nltk/nltk, affecting all versions. The _unzip_iter function in nltk/downloader.py uses zipfile.extractall() without performing path validation or security checks. This allows attackers to craft malicious zip packages that, when downloaded and extracted by NLTK, can execute arbitrary code. The vulnerability arises because NLTK assumes all downloaded packages are trusted and extracts them without validation. If a malicious package contains Python files, such as __init__.py, these files are executed automatically upon import, leading to remote code execution. This issue can result in full system compromise, including file system access, network access, and potential persistence mechanisms.
Засегнати продукти
- nltk nltk/nltk: unspecified до latest
Red Hat: още 3 продукта, добавени от Red Hat
Red Hat OpenShift AI 2.25, OpenShift Lightspeed, Red Hat OpenShift AI (RHOAI)
Вид слабост
История
- 18 февруари 2026 Публикувано
Други уязвимости в nltk nltk/nltk
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2025-14009
- https://nvd.nist.gov/vuln/detail/CVE-2025-14009
- https://huntr.com/bounties/49ecbc02-054e-4470-b2e0-b267936cc4e4
- https://access.redhat.com/security/cve/CVE-2025-14009
- https://bugzilla.redhat.com/show_bug.cgi?id=2440724
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-14009.json
- https://access.redhat.com/errata/RHSA-2026:10184