{"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_01M5KEWKRBDENFR33EXE12NR71","modified_at":"2026-10-01T17:56:12.703459176Z","published_at":"2026-09-18T17:17:23Z","references":["https://osv.dev/vulnerability/GHSA-3w57-8xmc-8v26","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"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"GHSA-3w57-8xmc-8v26","url":"https://osv.dev/vulnerability/GHSA-3w57-8xmc-8v26"},{"source":"nvd","source_id":"CVE-2026-63349","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63349"}],"summary":"AnyIO run_process/open_process ignores extra_groups and can retain parent supplementary groups"}