{"id":"CVE-2026-19304","aliases":["EUVD-2026-71266","GHSA-vw5f-qmfc-5q4v"],"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 from internal services due to a URL parser discrepancy.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00422,"percentile":0.36945,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-09-04T15:30:25Z","modified":"2026-09-28T19:16:49Z","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-2026-19304"},{"url":"https://github.com/advisories/GHSA-vw5f-qmfc-5q4v"}],"sources":{"cve":[{"id":"CVE-2026-19304","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 from internal services due to a URL parser discrepancy.","status":"published","published":"2026-09-04T15:30:25.425Z","modified":"2026-09-28T19:07:57.581Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T13:47:17.512524Z"}],"euvd":[{"id":"EUVD-2026-71266","description":"IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information from internal services due to a URL parser discrepancy.","status":"published","published":"2026-09-04T15:30:25Z","modified":"2026-09-28T19:07:57Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T17:27:52.759804Z"}],"ghsa":[{"id":"GHSA-vw5f-qmfc-5q4v","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 from internal services due to a URL parser discrepancy.","status":"published","published":"2026-09-04T18:31:21Z","modified":"2026-09-04T18:31:21Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:11:22.550434Z"}],"nvd":[{"id":"CVE-2026-19304","description":"IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information from internal services due to a URL parser discrepancy.","status":"published","published":"2026-09-04T16:17:24.2Z","modified":"2026-09-28T19:16:49.187Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:43.737972Z"}]}}