{"id":"CVE-2026-19297","aliases":["EUVD-2026-58475","GHSA-h6hj-8qx6-p2fm"],"status":"published","title":"Insufficient Authentication Brute Force Protection on Login Endpoint","description":"IBM Langflow OSS 1.0.0 through 1.9.6 could allow a remote attacker to obtain unauthorized access to user accounts due to improper restriction of excessive authentication attempts.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00607,"percentile":0.49472,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-307"],"published":"2026-08-13T20:46:44Z","modified":"2026-08-26T15:12:15Z","products":[{"vendor":"ibm","product":"langflow oss"},{"vendor":"langflow","product":"langflow"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283558","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19297"},{"url":"https://github.com/advisories/GHSA-h6hj-8qx6-p2fm"}],"sources":{"cve":[{"id":"CVE-2026-19297","title":"Insufficient Authentication Brute Force Protection on Login Endpoint","description":"IBM Langflow OSS 1.0.0 through 1.9.6 could allow a remote attacker to obtain unauthorized access to user accounts due to improper restriction of excessive authentication attempts.","status":"published","published":"2026-08-13T20:46:44.813Z","modified":"2026-08-15T03:55:38.593Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T13:47:17.512524Z"}],"euvd":[{"id":"EUVD-2026-58475","description":"IBM Langflow OSS 1.0.0 through 1.9.6 could allow a remote attacker to obtain unauthorized access to user accounts due to improper restriction of excessive authentication attempts.","status":"published","published":"2026-08-13T20:46:44Z","modified":"2026-08-15T03:55:38Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T18:01:53.008072Z"}],"ghsa":[{"id":"GHSA-h6hj-8qx6-p2fm","title":"IBM Langflow OSS 1.0.0 through 1.9.6 could allow a remote attacker to obtain unauthorized access...","description":"IBM Langflow OSS 1.0.0 through 1.9.6 could allow a remote attacker to obtain unauthorized access to user accounts due to improper restriction of excessive authentication attempts.","status":"published","published":"2026-08-13T21:36:13Z","modified":"2026-08-13T21:36:22Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T15:10:27.325913Z"}],"nvd":[{"id":"CVE-2026-19297","description":"IBM Langflow OSS 1.0.0 through 1.9.6 could allow a remote attacker to obtain unauthorized access to user accounts due to improper restriction of excessive authentication attempts.","status":"published","published":"2026-08-13T21:17:45.87Z","modified":"2026-08-26T15:12:15.413Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:12:37.557758Z"}]}}