PyPI/nltk CVE-2026-80206: unknown, EPSS 0.44%
NLTK before 3.10.3 contains a regular expression denial of service (ReDoS) vulnerability in the tgrep module. The _tgrep_node_action function compiles user-supplied regular expressions embedded in /re
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-2026-3751
- https://www.vulncheck.com/advisories/nltk-3.10.2-regular-expression-denial-of-service-via-tgrep
- https://github.com/nltk/nltk/security/advisories/GHSA-w3v8-gmh9-3wv7
CVE-2026-80206 · published · modified · JSON