{"action":"Upgrade nltk to 3.10.3 or later.","affected":[{"fixed":"3.10.3","introduced":"0"}],"component":"nltk","cve_ids":["CVE-2026-81723"],"ecosystem":"PyPI","epss":0.00281,"exploited":false,"fixed_versions":["3.10.3"],"ghsa_id":"GHSA-vp2x-qp44-57v7","id":"tcs_01M5KG0G3ED3Z9QFTG4KMMZRS3","modified_at":"2026-09-10T12:25:42.010688905Z","published_at":"2026-09-02T14:34:11Z","references":["https://osv.dev/vulnerability/GHSA-vp2x-qp44-57v7","https://github.com/nltk/nltk/security/advisories/GHSA-vp2x-qp44-57v7","https://nvd.nist.gov/vuln/detail/CVE-2026-81723","https://github.com/nltk/nltk/commit/7808692d451b962711005d954859bb83aabcf8fa","https://github.com/nltk/nltk","https://github.com/nltk/nltk/releases/tag/v3.10.3","https://www.vulncheck.com/advisories/nltk-before-3.10.3-quadratic-cpu-exhaustion-via-xmlcorpusview"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"GHSA-vp2x-qp44-57v7","url":"https://osv.dev/vulnerability/GHSA-vp2x-qp44-57v7"}],"summary":"NLTK: Quadratic CPU Exhaustion in `XMLCorpusView._read_xml_fragment()`"}