PyPI/nltk CVE-2025-71408: high 7.8, EPSS 0.27%
NLTK vulnerable to Eval Injection via collocations CLI arguments
Action: Upgrade nltk to 3.9.3 or later.
pip install nltk==3.9.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.9.3 | - |
Fixed versions
| 3.9.3 |
Sources
- osv: GHSA-848c-c2cx-j7qx
- https://nvd.nist.gov/vuln/detail/CVE-2025-71408
- https://github.com/nltk/nltk/pull/3465
- https://github.com/nltk/nltk/commit/66f14096d952ec8f04934f515e027534bd4eb0ac
- https://aydinnyunus.github.io/2026/06/07/command-injection-nltk-collocations-eval
- https://github.com/nltk/nltk
- https://github.com/nltk/nltk/releases/tag/3.9.3
- https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2026-3657.yaml
- https://www.vulncheck.com/advisories/nltk-eval-injection-via-collocations-py-command-line-arguments
CVE-2025-71408 · published · modified · JSON