{"action":"Upgrade anyio to 4.14.2 or later.","affected":[{"fixed":"4.14.2","introduced":"4.14.0"}],"component":"anyio","cve_ids":["CVE-2026-63349"],"ecosystem":"PyPI","epss":0.00108,"exploited":false,"fixed_versions":["4.14.2"],"ghsa_id":"GHSA-3w57-8xmc-8v26","id":"tcs_01M5KH9B2WR72DAJC3AJF1RFAG","modified_at":"2026-10-01T17:45:04.652138189Z","published_at":"2026-10-01T16:38:33.685528Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4023","https://github.com/agronholm/anyio/security/advisories/GHSA-3w57-8xmc-8v26","https://github.com/agronholm/anyio/pull/1209","https://github.com/agronholm/anyio/commit/eb562e6462ee46b1904e50b02ce00a858cdeb200","https://github.com/agronholm/anyio","https://github.com/agronholm/anyio/releases/tag/4.14.2","https://pypi.org/project/anyio","https://github.com/advisories/GHSA-3w57-8xmc-8v26","https://nvd.nist.gov/vuln/detail/CVE-2026-63349"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2026-4023","url":"https://osv.dev/vulnerability/PYSEC-2026-4023"}],"summary":"AnyIO run_process/open_process ignores extra_groups and can retain parent supplementary groups"}