{"action":"Upgrade langflow to 1.9.0 or later.","affected":[{"fixed":"1.9.0","introduced":"1.2.0"}],"component":"langflow","cve_ids":["CVE-2026-33309"],"ecosystem":"PyPI","epss":0.13467,"exploited":false,"fixed_versions":["1.9.0"],"ghsa_id":"GHSA-g2j9-7rj2-gm6c","id":"tcs_01M5KFGGDVKBGC5DP04VEB9DR6","modified_at":"2026-06-06T01:00:08.146676869Z","published_at":"2026-03-19T17:46:43Z","references":["https://osv.dev/vulnerability/GHSA-g2j9-7rj2-gm6c","https://github.com/langflow-ai/langflow/security/advisories/GHSA-g2j9-7rj2-gm6c","https://nvd.nist.gov/vuln/detail/CVE-2026-33309","https://github.com/langflow-ai/langflow","https://github.com/pypa/advisory-database/tree/main/vulns/langflow/PYSEC-2026-79.yaml"],"severity":{"label":"critical","score":9.9},"sources":[{"source":"osv","source_id":"GHSA-g2j9-7rj2-gm6c","url":"https://osv.dev/vulnerability/GHSA-g2j9-7rj2-gm6c"}],"summary":"Langflow has an Arbitrary File Write (RCE) via v2 API"}