{"action":"Upgrade anyio to 4.14.2 or later.","affected":[{"fixed":"4.14.2","introduced":"0"}],"component":"anyio","cve_ids":["CVE-2026-63374"],"ecosystem":"PyPI","epss":0.00289,"exploited":false,"fixed_versions":["4.14.2"],"ghsa_id":"GHSA-82r6-8w77-94w6","id":"tcs_01M5KH9BD71BAF1HZPJRTT3YK8","modified_at":"2026-10-01T17:45:01.997111942Z","published_at":"2026-10-01T16:38:33.613922Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4025","https://github.com/agronholm/anyio/security/advisories/GHSA-82r6-8w77-94w6","https://github.com/agronholm/anyio/pull/1208","https://github.com/agronholm/anyio/commit/68f58915f82d9be8109ebbbd8f5d70577d43f2ce","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-82r6-8w77-94w6","https://nvd.nist.gov/vuln/detail/CVE-2026-63374"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2026-4025","url":"https://osv.dev/vulnerability/PYSEC-2026-4025"}],"summary":"AnyIO: TLSStream IDNA 2003 host name encoding enables potential TLS certificate spoofing"}