{"action":"Upgrade nltk to 3.10.0 or later.","affected":[{"fixed":"3.10.0","introduced":"0"}],"component":"nltk","cve_ids":["CVE-2026-65915"],"ecosystem":"PyPI","epss":0.0041,"exploited":false,"fixed_versions":["3.10.0"],"ghsa_id":"GHSA-72r2-7mfr-5xr9","id":"tcs_01M5KF4M28PKEFANTW13BZ4J5E","modified_at":"2026-09-08T15:46:56.329043767Z","published_at":"2026-09-08T15:27:12Z","references":["https://osv.dev/vulnerability/GHSA-72r2-7mfr-5xr9","https://github.com/nltk/nltk/security/advisories/GHSA-72r2-7mfr-5xr9","https://nvd.nist.gov/vuln/detail/CVE-2026-65915","https://github.com/nltk/nltk/pull/3522","https://github.com/nltk/nltk/commit/69db9911fdba914ceeaca7aec6e892d1b14586a9","https://github.com/nltk/nltk","https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2026-3731.yaml","https://huntr.com/bounties/a510de7b-ffaf-4a83-9bf8-fa7e63f4bd2d","https://www.vulncheck.com/advisories/nltk-before-arbitrary-file-read-via-filesystempathpointer"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-72r2-7mfr-5xr9","url":"https://osv.dev/vulnerability/GHSA-72r2-7mfr-5xr9"}],"summary":"NLTK: FileSystemPathPointer.open() sandbox check is dead code — arbitrary file read via file:// protocol"}