PyPI/nltk CVE-2026-79657: unknown, EPSS 1.27%
NLTK versions before 3.10.3 contain a remote code execution vulnerability in allowlisted pickle loaders that trust entire module namespaces instead of specific safe callables. Attackers can craft mali
Action: Upgrade nltk to 3.10.3 or later.
pip install nltk==3.10.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.10.3 | - |
Fixed versions
| 3.10.3 |
Sources
- osv: PYSEC-2026-3735
- https://www.vulncheck.com/advisories/nltk-before-3.10.3-remote-code-execution-via-unsafe-pickle-deserialization
- https://github.com/nltk/nltk/security/advisories/GHSA-x99w-6fgc-pmfw
CVE-2026-79657 · published · modified · JSON