{"cve":"CVE-2025-3248","nvd":{"published":"2025-04-07T15:15:44.897","modified":"2026-10-08T16:16:52.420","status":"Analyzed","description":"Langflow versions prior to 1.3.0 are susceptible to code injection in \nthe /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary\ncode.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-94","CWE-306"],"references":["https://github.com/langflow-ai/langflow/pull/6911","https://github.com/langflow-ai/langflow/releases/tag/1.3.0","https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/","https://www.vulncheck.com/advisories/langflow-unauthenticated-rce","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248"],"products":["langflow:langflow"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-3248","score":0.99993,"percentile":0.99987,"date":"2026-10-25"},"kev":{"cve":"CVE-2025-3248","date_added":"2025-05-05","due_date":"2025-05-26","vendor":"Langflow","product":"Langflow","known_ransomware":true},"osv":[{"id":"GHSA-rvqx-wpfh-mfx7","url":"https://osv.dev/vulnerability/GHSA-rvqx-wpfh-mfx7","summary":"Langflow Unauth RCE","modified":"2026-06-29T12:26:09.078942560Z","packages":[{"ecosystem":"PyPI","name":"langflow","purl":"pkg:pypi/langflow","ranges":["<1.3.0"],"fixed":["1.3.0"]},{"ecosystem":"PyPI","name":"langflow-base","purl":"pkg:pypi/langflow-base","ranges":["<0.3.0"],"fixed":["0.3.0"]}]},{"id":"PYSEC-2025-36","url":"https://osv.dev/vulnerability/PYSEC-2025-36","summary":"","modified":"2026-06-29T12:26:09.078942560Z","packages":[{"ecosystem":"PyPI","name":"langflow","purl":"pkg:pypi/langflow","ranges":["<1.3.0"],"fixed":["1.3.0"]}]},{"id":"PYSEC-2026-380","url":"https://osv.dev/vulnerability/PYSEC-2026-380","summary":"Langflow Unauth RCE","modified":"2026-07-01T20:22:55.660388Z","packages":[{"ecosystem":"PyPI","name":"langflow-base","purl":"pkg:pypi/langflow-base","ranges":["<0.3.0"],"fixed":["0.3.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}