{"id":"CVE-2026-8447","title":"IBM Langflow OSS 1.0.0 through 1.11.2 suffer from a stored cross-site scripting vulnerability in the Playground chat interface.","summary":"IBM Langflow OSS 1.0.0 through 1.11.2 suffer from a stored cross-site scripting vulnerability in the Playground chat interface.","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"langflow","product":"langflow","affected":["langflow >= 1.0.0, < 1.11.3"],"patched":["langflow 1.11.3"],"published":"2026-09-04","updated":"2026-09-08","sourceUpdated":"2026-09-08T21:49:51.913","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-8447","references":[{"url":"https://www.ibm.com/support/pages/node/7285646","label":"psirt@us.ibm.com"}],"tags":["nvd"],"epss":0.00214,"epssPercentile":0.1208,"ingestedAt":"2026-09-08T15:33:26.961Z","slug":"CVE-2026-8447","body":"## Overview\n\nIBM Langflow OSS 1.0.0 through 1.11.2 suffer from a stored cross-site scripting vulnerability in the Playground chat interface.\n\n## Affected\n\n- `langflow >= 1.0.0, < 1.11.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `langflow 1.11.3`","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}