{"id":"ECHO-1e3a-1e96-134c","upstream":["GHSA-rf74-v2fm-23pw","CVE-2026-66393"],"severity":[],"modified":"2026-09-03T00:00:25.178Z","affected":[{"package":{"ecosystem":"Echo:PyPI","name":"nltk","purl":"pkg:pypi/nltk"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.4"}]}]}],"references":[{"type":"WEB","url":"https://advisory.echohq.com/cve/GHSA-rf74-v2fm-23pw"}]}