GHSA-W3V8-GMH9-3WV7: ReDoS in nltk.tgrep via unvalidated user-supplied regular expressions · Advisory · nltk/nltk · GitHub

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PublisherGitHub

Article IDGHSA-W3V8-GMH9-3WV7

Verified snapshot27 Sept 2026, 14:00 UTC

Linked CVEs1

Linked CVE reports

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CVE-2026-80206NLTK 3.10.2 Regular Expression Denial of Service via tgrep

Source and provenance

Original title: ReDoS in nltk.tgrep via unvalidated user-supplied regular expressions · Advisory · nltk/nltk · GitHub. Captured 27 Sept 2026, 14:00 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

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