{"id":"CVE-2026-19301","aliases":["EUVD-2026-71597","GHSA-55jv-gc65-vxhp"],"status":"published","title":"Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components","description":"IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00394,"percentile":0.33983,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-09-04T16:04:31Z","modified":"2026-09-08T22:16:54Z","products":[{"vendor":"ibm","product":"langflow oss"},{"vendor":"langflow","product":"langflow"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7285639","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19301"},{"url":"https://github.com/advisories/GHSA-55jv-gc65-vxhp"}],"sources":{"cve":[{"id":"CVE-2026-19301","title":"Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components","description":"IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery.","status":"published","published":"2026-09-04T16:04:31.549Z","modified":"2026-09-04T17:29:14.728Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T13:47:17.512524Z"}],"euvd":[{"id":"EUVD-2026-71597","description":"IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery.","status":"published","published":"2026-09-04T16:04:31Z","modified":"2026-09-04T17:29:14Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:11.774269Z"}],"ghsa":[{"id":"GHSA-55jv-gc65-vxhp","title":"IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain...","description":"IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery.","status":"published","published":"2026-09-04T18:31:20Z","modified":"2026-09-04T18:31:26Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:11:23.167848Z"}],"nvd":[{"id":"CVE-2026-19301","description":"IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery.","status":"published","published":"2026-09-04T16:17:22.65Z","modified":"2026-09-08T22:16:54Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:43.737972Z"}]}}