{"action":"Upgrade langflow to 1.7.1 or later.","affected":[{"fixed":"1.7.1","introduced":"0"}],"component":"langflow","cve_ids":["CVE-2026-21445"],"ecosystem":"PyPI","epss":0.33289,"exploited":false,"fixed_versions":["1.7.1"],"ghsa_id":"GHSA-c5cp-vx83-jhqx","id":"tcs_01M5KFC8958B73P1AD15PE7B9J","modified_at":"2026-07-13T16:43:12.878765695Z","published_at":"2026-01-02T21:11:50Z","references":["https://osv.dev/vulnerability/GHSA-c5cp-vx83-jhqx","https://github.com/langflow-ai/langflow/security/advisories/GHSA-c5cp-vx83-jhqx","https://nvd.nist.gov/vuln/detail/CVE-2026-21445","https://github.com/langflow-ai/langflow/commit/3fed9fe1b5658f2c8656dbd73508e113a96e486a","https://github.com/langflow-ai/langflow","https://github.com/langflow-ai/langflow/releases/tag/1.7.1"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-c5cp-vx83-jhqx#PyPI/langflow","url":"https://osv.dev/vulnerability/GHSA-c5cp-vx83-jhqx"},{"source":"nvd","source_id":"CVE-2026-21445","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21445"}],"summary":"Langflow Missing Authentication on Critical API Endpoints"}