{"action":"Upgrade nltk to 3.10.3 or later.","affected":[{"fixed":"3.10.3","introduced":"0"}],"component":"nltk","cve_ids":["CVE-2026-79676"],"ecosystem":"PyPI","epss":0.00447,"exploited":false,"fixed_versions":["3.10.3"],"ghsa_id":"GHSA-p4rw-rvv2-7xwr","id":"tcs_01M5KFSAQR5S6NSANYW9WMRY9Z","modified_at":"2026-09-08T17:00:04.101709807Z","published_at":"2026-09-08T16:55:38Z","references":["https://osv.dev/vulnerability/GHSA-p4rw-rvv2-7xwr","https://github.com/nltk/nltk/security/advisories/GHSA-p4rw-rvv2-7xwr","https://nvd.nist.gov/vuln/detail/CVE-2026-79676","https://github.com/nltk/nltk/commit/10d34b3f4fe3fec74b76527a409eb0acbac2e8ab","https://github.com/nltk/nltk","https://github.com/nltk/nltk/releases/tag/v3.10.3","https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2026-3737.yaml","https://www.vulncheck.com/advisories/nltk-before-path-traversal-via-symlink-bypass"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-p4rw-rvv2-7xwr","url":"https://osv.dev/vulnerability/GHSA-p4rw-rvv2-7xwr"},{"source":"nvd","source_id":"CVE-2026-79676","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79676"}],"summary":"NLTK: Corpus readers follow symlinks outside trusted roots despite pathsec enforcement"}