{"id":"CVE-2026-85025","title":"IBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an unauthenticated attacker to execute arbitrary code and access or modify chat sessions through publicly shared MCP project endpoints due to improper enforcement of public-flow …","summary":"IBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an unauthenticated attacker to execute arbitrary code and access or modify chat sessions through publicly shared MCP project endpoints due to improper enforcement of public-flow …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-863"],"vendor":"langflow","product":"langflow","affected":["langflow >= 1.0.0, < 1.11.6"],"patched":["langflow 1.11.6"],"published":"2026-09-10","updated":"2026-09-15","sourceUpdated":"2026-09-15T17:19:17.853","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85025","references":[{"url":"https://www.ibm.com/support/pages/node/7286666","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"epss":0.0043,"epssPercentile":0.36665,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-11T00:00:00+00:00"},"ingestedAt":"2026-09-14T15:23:07.483Z","slug":"CVE-2026-85025","body":"## Overview\n\nIBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an unauthenticated attacker to execute arbitrary code and access or modify chat sessions through publicly shared MCP project endpoints due to improper enforcement of public-flow security restrictions and session isolation controls.\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":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}