{"action":"Upgrade nltk to 3.10.0-1 or later.","affected":[{"fixed":"3.10.0-1","introduced":"0"}],"component":"nltk","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.10.0-1"],"id":"tcs_01M5NT9NRDDHMPQBMHMG408HVW","modified_at":"2026-10-15T09:47:40.298379412Z","published_at":"2026-08-22T15:16:19.367Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-63312","https://security-tracker.debian.org/tracker/CVE-2026-63312"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-63312#Debian:14/nltk","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-63312"}],"summary":"NLTK before 3.10.0 contains an arbitrary local file read vulnerability in StreamBackedCorpusView that bypasses pathsec.ENFORCE by calling builtins.open() directly instead of pathsec.open(). Attackers"}