{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"3.9.2"}],"component":"nltk","cve_ids":["CVE-2026-12259","CVE-2026-63310"],"ecosystem":"PyPI","exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-gf32-cmjh-8m9v","id":"tcs_01M5JHHKZJDMJX5QQ1Y8TQ9XCE","modified_at":"2026-10-16T10:56:05.808390648Z","published_at":"2026-08-22T15:31:03Z","references":["https://osv.dev/vulnerability/GHSA-gf32-cmjh-8m9v","https://github.com/nltk/nltk/security/advisories/GHSA-5wp5-5229-5g6q","https://nvd.nist.gov/vuln/detail/CVE-2026-63310","https://www.vulncheck.com/advisories/nltk-before-missing-post-download-integrity-verification"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"GHSA-gf32-cmjh-8m9v","url":"https://osv.dev/vulnerability/GHSA-gf32-cmjh-8m9v"}],"summary":"Duplicate Advisory: NLTK: Missing Post-Download Integrity Verification Allows Malicious Package Injection"}