{"cve":"CVE-2026-9205","nvd":{"published":"2026-08-05T19:17:49.193","modified":"2026-10-24T13:10:00.147","status":"Analyzed","description":"IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.","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-338"],"references":["https://www.ibm.com/support/pages/node/7282648"],"products":["langflow:langflow"],"source":"nvd","synced_at":"2026-10-24T16:53:34.184483516+00:00"},"epss":{"cve":"CVE-2026-9205","score":0.00302,"percentile":0.22663,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-jxw3-mjmx-3pqm","url":"https://osv.dev/vulnerability/GHSA-jxw3-mjmx-3pqm","summary":"Langflow: Weak Fernet Key via random.seed()","modified":"2026-10-15T14:56:00.653899238Z","packages":[{"ecosystem":"PyPI","name":"langflow","purl":"pkg:pypi/langflow","ranges":["<1.10.1"],"fixed":["1.10.1"]}]},{"id":"PYSEC-2026-4235","url":"https://osv.dev/vulnerability/PYSEC-2026-4235","summary":"Langflow: Weak Fernet Key via random.seed()","modified":"2026-10-15T14:45:11.730594915Z","packages":[{"ecosystem":"PyPI","name":"langflow","purl":"pkg:pypi/langflow","ranges":["<1.10.1"],"fixed":["1.10.1"]}]}],"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."]}