{"id":"CVE-2026-8478","aliases":["EUVD-2026-53555","GHSA-x252-wm2h-6mf4"],"status":"published","title":"Langflow OSS is affected by arbitrary code execution in component generation, validation, and custom component handling","description":"IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to inject arbitrary code on the system, due to the improper control of user input code.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00632,"percentile":0.50615,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2026-08-05T18:24:12Z","modified":"2026-11-04T02:47:52Z","products":[{"vendor":"ibm","product":"langflow oss"},{"vendor":"langflow","product":"langflow"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7282646","tags":["vendor-advisory","patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8478"},{"url":"https://github.com/advisories/GHSA-x252-wm2h-6mf4"}],"sources":{"cve":[{"id":"CVE-2026-8478","title":"Langflow OSS is affected by arbitrary code execution in component generation, validation, and custom component handling","description":"IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to inject arbitrary code on the system, due to the improper control of user input code.","status":"published","published":"2026-08-05T18:24:12.809Z","modified":"2026-08-06T03:55:52.886Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T13:48:13.398044Z"}],"euvd":[{"id":"EUVD-2026-53555","description":"IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to inject arbitrary code on the system, due to the improper control of user input code.","status":"published","published":"2026-08-05T18:24:12Z","modified":"2026-08-06T03:55:52Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:02:09.043832Z"}],"ghsa":[{"id":"GHSA-x252-wm2h-6mf4","title":"IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to inject arbitrary code on...","description":"IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to inject arbitrary code on the system, due to the improper control of user input code.","status":"published","published":"2026-08-05T21:31:38Z","modified":"2026-08-05T21:31:39Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:10:07.926015Z"}],"nvd":[{"id":"CVE-2026-8478","description":"IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to inject arbitrary code on the system, due to the improper control of user input code.","status":"published","published":"2026-08-05T19:17:45.043Z","modified":"2026-10-24T13:10:00.147Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:12:35.031043Z"}],"osv":[{"id":"CVE-2026-8478","description":"IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to inject arbitrary code on the system, due to the improper control of user input code.","status":"published","published":"2026-08-05T19:17:45.043Z","modified":"2026-11-04T02:47:52.59896218Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-04T02:53:00.786919Z"}]}}
