{"action":"Upgrade nltk to 3.10.3-1 or later.","affected":[{"fixed":"3.10.3-1","introduced":"0"}],"component":"nltk","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.10.3-1"],"id":"tcs_01M5NV3KGPN9HQXK2CA2FGHCZP","modified_at":"2026-10-27T09:47:35.800364492Z","published_at":"2026-08-20T22:18:05.087Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-72818","https://security-tracker.debian.org/tracker/CVE-2026-72818"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-72818#Debian:14/nltk","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-72818"}],"summary":"The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORD_RE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix [a-z0-9]+("}