CVE-2026-12372
2 advisories.
PyPI/nltk CVE-2026-12372: low 3.7, EPSS 0.26%
NLTK network URL validation permits SSRF to RFC 6598 shared-address-space hosts
Action: Upgrade nltk to 3.10.0 or later.
pip install nltk==3.10.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.10.0 | - |
Fixed versions
| 3.10.0 |
Sources
- osv: GHSA-2jhm-w3mp-jcwr
- https://nvd.nist.gov/vuln/detail/CVE-2026-12372
- https://github.com/nltk/nltk/commit/4a820afa58810cd05049b6c6eae306694d6cfe65
- https://github.com/nltk/nltk
- https://github.com/nltk/nltk/releases/tag/v3.10.0
- https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2026-3955.yaml
- https://huntr.com/bounties/2911b643-571c-42e4-b0c2-9a1fa6f491db
CVE-2026-12372 · published · modified · JSON
PyPI/nltk CVE-2026-12372: low 3.7, EPSS 0.26%
A Server-Side Request Forgery (SSRF) vulnerability exists in nltk/nltk versions 3.9.4 and the current develop branch. The `nltk.pathsec.validate_network_url()` function, intended to prevent SSRF by re
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 3.9.4 |
Fixed versions
No fixed version in the source.
Sources
- osv: PYSEC-2026-3955
- https://huntr.com/bounties/2911b643-571c-42e4-b0c2-9a1fa6f491db
- https://github.com/advisories/GHSA-2jhm-w3mp-jcwr
CVE-2026-12372 · published · modified · JSON