{"action":"Upgrade setuptools to 83.0.0 or later.","affected":[{"fixed":"83.0.0","introduced":"0"}],"component":"setuptools","cve_ids":["CVE-2026-59890"],"ecosystem":"PyPI","epss":0.00405,"exploited":false,"fixed_versions":["83.0.0"],"ghsa_id":"GHSA-h35f-9h28-mq5c","id":"tcs_01M5KFJKRTZSGP1GJDEVZH5FYG","modified_at":"2026-09-10T03:50:52.323347787Z","published_at":"2026-07-21T19:09:21Z","references":["https://osv.dev/vulnerability/GHSA-h35f-9h28-mq5c","https://github.com/pypa/setuptools/security/advisories/GHSA-h35f-9h28-mq5c","https://nvd.nist.gov/vuln/detail/CVE-2026-59890","https://github.com/pypa/setuptools/commit/dd9f436a36486b4cb8a4c70a2321548b0be09b8f","https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2026-3447.yaml","https://github.com/pypa/setuptools","https://github.com/pypa/setuptools/releases/tag/v83.0.0"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-h35f-9h28-mq5c","url":"https://osv.dev/vulnerability/GHSA-h35f-9h28-mq5c"}],"summary":"setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+"}