{"id":"CVE-2026-81211","aliases":["EUVD-2026-75781","GHSA-m6qv-7wcf-v4qx"],"status":"published","title":"Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards","description":"IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.","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":"2026-11-11","score":0.00559,"percentile":0.46979,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-09-10T21:34:41Z","modified":"2026-10-24T10:30:45Z","products":[{"vendor":"ibm","product":"langflow oss"},{"vendor":"langflow","product":"langflow"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7286666","tags":["vendor-advisory","patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81211"},{"url":"https://github.com/advisories/GHSA-m6qv-7wcf-v4qx"}],"sources":{"cve":[{"id":"CVE-2026-81211","title":"Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards","description":"IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.","status":"published","published":"2026-09-10T21:34:41.552Z","modified":"2026-09-12T03:55:46.308Z","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-862"],"updated_at":"2026-11-02T13:36:18.075535Z"}],"euvd":[{"id":"EUVD-2026-75781","description":"IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.","status":"published","published":"2026-09-10T21:34:41Z","modified":"2026-09-12T03:55:46Z","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":"2026-11-02T17:28:21.556158Z"}],"ghsa":[{"id":"GHSA-m6qv-7wcf-v4qx","title":"IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute...","description":"IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.","status":"published","published":"2026-09-11T00:31:15Z","modified":"2026-09-11T00:31:23Z","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-862"],"updated_at":"2026-11-02T15:11:43.788148Z"}],"nvd":[{"id":"CVE-2026-81211","description":"IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.","status":"published","published":"2026-09-10T22:17:01.977Z","modified":"2026-09-16T00:56:12.117Z","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-862"],"updated_at":"2026-11-02T14:12:46.271848Z"}],"osv":[{"id":"CVE-2026-81211","description":"IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.","status":"published","published":"2026-09-10T22:17:01.977Z","modified":"2026-10-24T10:30:45.493543803Z","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":"2026-11-02T15:45:18.131258Z"}]}}