{"action":"Upgrade anyio to 4.14.2 or later.","affected":[{"fixed":"4.14.2","introduced":"0"}],"component":"anyio","cve_ids":["CVE-2026-64847"],"ecosystem":"PyPI","epss":0.00157,"exploited":false,"fixed_versions":["4.14.2"],"ghsa_id":"GHSA-5p39-cfhj-2xmp","id":"tcs_01M5KH9B7GQ77QX7BP7PCD20WE","modified_at":"2026-10-01T17:45:01.995149284Z","published_at":"2026-10-01T16:38:33.524594Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4024","https://github.com/agronholm/anyio/security/advisories/GHSA-5p39-cfhj-2xmp","https://github.com/agronholm/anyio/pull/1207","https://github.com/agronholm/anyio/commit/f1b7301c8264b0d2e8d24a5788fd29e93dea4040","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-5p39-cfhj-2xmp","https://nvd.nist.gov/vuln/detail/CVE-2026-64847"],"severity":{"label":"medium","score":6.8},"sources":[{"source":"osv","source_id":"PYSEC-2026-4024","url":"https://osv.dev/vulnerability/PYSEC-2026-4024"},{"source":"nvd","source_id":"CVE-2026-64847","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64847"}],"summary":"AnyIO process-pool workers can block indefinitely on undrained stderr"}