CVE-2026-63311
2 advisories.
PyPI/nltk CVE-2026-63311: medium, EPSS 0.33%
NLTK: SSRF Fail-Open in validate_network_url() via DNS Resolution Failure
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-3gqm-fcw5-w839
- https://github.com/nltk/nltk/security/advisories/GHSA-3gqm-fcw5-w839
- https://nvd.nist.gov/vuln/detail/CVE-2026-63311
- https://github.com/nltk/nltk/pull/3582
- 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-2026-3723.yaml
- https://www.vulncheck.com/advisories/nltk-before-ssrf-via-dns-resolution-failure
CVE-2026-63311 · published · modified · JSON
PyPI/nltk CVE-2026-63311: unknown, EPSS 0.33%
NLTK before 3.10.0 (affected versions <= 3.9.4) contains a server-side request forgery (SSRF) vulnerability in the validate_network_url() function in nltk/pathsec.py. The _resolve_hostname() helper ca
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: PYSEC-2026-3723
- https://www.vulncheck.com/advisories/nltk-before-ssrf-via-dns-resolution-failure
- https://github.com/nltk/nltk/security/advisories/GHSA-3gqm-fcw5-w839
CVE-2026-63311 · published · modified · JSON