{"action":"Upgrade langflow to 1.0.19 or later.","affected":[{"fixed":"1.0.19","introduced":"0"}],"component":"langflow","cve_ids":["CVE-2026-55446"],"ecosystem":"PyPI","epss":0.00581,"exploited":false,"fixed_versions":["1.0.19"],"ghsa_id":"GHSA-qwqc-p3q8-wcg9","id":"tcs_01M5KGY7KCJSAWRFX9G0S0Q9M4","modified_at":"2026-06-26T00:00:06.012034837Z","published_at":"2026-06-23T17:17:08.410Z","references":["https://osv.dev/vulnerability/PYSEC-2026-223","https://github.com/langflow-ai/langflow/pull/3923","https://github.com/langflow-ai/langflow/security/advisories/GHSA-qwqc-p3q8-wcg9"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-223","url":"https://osv.dev/vulnerability/PYSEC-2026-223"}],"summary":"Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.0.19, an attacker can send a /api/v1/files/upload/ request without any authentication token/cookies and abuse"}