{"id":"CVE-2026-78575","title":"IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration.","summary":"IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"vendor":"langflow","product":"langflow","affected":["langflow >= 1.0.0, < 1.11.6"],"patched":["langflow 1.11.6"],"published":"2026-09-10","updated":"2026-09-16","sourceUpdated":"2026-09-16T00:50:33.407","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78575","references":[{"url":"https://www.ibm.com/support/pages/node/7286666","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"epss":0.00524,"epssPercentile":0.43231,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-11T00:00:00+00:00"},"ingestedAt":"2026-09-14T15:23:07.483Z","slug":"CVE-2026-78575","body":"## Overview\n\nIBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration.\n\n## Affected\n\n- `langflow >= 1.0.0, < 1.11.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `langflow 1.11.6`","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}