{"action":"Upgrade langflow to 1.9.0 or later.","affected":[{"fixed":"1.9.0","introduced":"0"}],"component":"langflow","cve_ids":["CVE-2026-33017"],"ecosystem":"PyPI","epss":0.96177,"exploited":true,"fixed_versions":["1.9.0"],"ghsa_id":"GHSA-vwmf-pq79-vjvx","id":"tcs_01M5KG10F8G3TFRP7PM1VZFDJ1","modified_at":"2026-06-29T12:26:04.313587101Z","published_at":"2026-03-17T20:05:05Z","references":["https://osv.dev/vulnerability/GHSA-vwmf-pq79-vjvx","https://github.com/langflow-ai/langflow/security/advisories/GHSA-vwmf-pq79-vjvx","https://nvd.nist.gov/vuln/detail/CVE-2026-33017","https://github.com/langflow-ai/langflow/issues/12345","https://github.com/langflow-ai/langflow/pull/12160","https://github.com/langflow-ai/langflow/commit/73b6612e3ef25fdae0a752d75b0fabd47328d4f0","https://github.com/advisories/GHSA-rvqx-wpfh-mfx7","https://github.com/langflow-ai/langflow","https://github.com/langflow-ai/langflow/releases/tag/1.8.2","https://medium.com/@aviral23/cve-2026-33017-how-i-found-an-unauthenticated-rce-in-langflow-by-reading-the-code-they-already-dc96cdce5896","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33017","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-33017","https://www.sysdig.com/blog/cve-2026-33017-how-attackers-compromised-langflow-ai-pipelines-in-20-hours"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-vwmf-pq79-vjvx","url":"https://osv.dev/vulnerability/GHSA-vwmf-pq79-vjvx"},{"source":"kev","source_id":"CVE-2026-33017","url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json"}],"summary":"Unauthenticated Remote Code Execution in Langflow via Public Flow Build Endpoint"}