{"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_01M5NT9NDRZ59MZMH2K2725NP4","modified_at":"2026-10-15T09:47:37.439581020Z","published_at":"2026-08-22T15:16:19.233Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-63311","https://security-tracker.debian.org/tracker/CVE-2026-63311"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-63311#Debian:14/nltk","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-63311"}],"summary":"NLTK before 3.10.0 (affected versions <= 3.9.4) contains a server-side request forgery (SSRF) vulnerability in the validate_network_url() function in nltk/pathsec.py. The _resolve_hostname() helper ca"}