{"action":"Upgrade idna to 3.15 or later.","affected":[{"fixed":"3.15","introduced":"0"}],"component":"idna","cve_ids":["CVE-2026-45409"],"ecosystem":"PyPI","epss":0.00408,"exploited":false,"fixed_versions":["3.15"],"ghsa_id":"GHSA-65pc-fj4g-8rjx","id":"tcs_01M5KF2HHWB4A0NDSGNBGNWQJ7","modified_at":"2026-09-10T03:50:45.700124422Z","published_at":"2026-05-19T14:34:32Z","references":["https://osv.dev/vulnerability/GHSA-65pc-fj4g-8rjx","https://github.com/kjd/idna/security/advisories/GHSA-65pc-fj4g-8rjx","https://nvd.nist.gov/vuln/detail/CVE-2026-45409","https://github.com/kjd/idna","https://github.com/pypa/advisory-database/tree/main/vulns/idna/PYSEC-2026-215.yaml"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-65pc-fj4g-8rjx","url":"https://osv.dev/vulnerability/GHSA-65pc-fj4g-8rjx"}],"summary":"Internationalized Domain Names in Applications (IDNA): Specially crafted inputs to idna.encode() can bypass CVE-2024-3651 fix"}