{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"nltk","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NVW2FW39FT7GCR7P5WN9TH","modified_at":"2026-10-01T03:03:43.327134687Z","published_at":"2026-08-27T17:21:03.100Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-81724","https://security-tracker.debian.org/tracker/CVE-2026-81724"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-81724","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-81724"}],"summary":"NLTK before 3.10.3 contains an uncontrolled recursion vulnerability in nltk.featstruct.FeatStructReader that allows unauthenticated attackers to cause a denial of service by supplying deeply nested fe"}