{"id":"CVE-2025-56265","aliases":["GHSA-v2x8-97xq-8xrr"],"url":"https://o3.security/vulnerability/CVE-2025-56265","summary":"N8N's Chat Trigger component is vulnerable to XSS","details":"An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file.","published":"2025-09-08T00:00:00Z","modified":"2026-10-28T02:30:30.555246395Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"@n8n/n8n-nodes-langchain","fixedVersion":"1.107.0"}],"fix":{"url":"https://github.com/n8n-io/n8n/pull/18148","label":"n8n-io/n8n#18148"},"references":[{"type":"WEB","url":"https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt"},{"type":"WEB","url":"https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1"},{"type":"WEB","url":"https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/56xxx/CVE-2025-56265.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-56265"},{"type":"WEB","url":"https://github.com/n8n-io/n8n/pull/18148"},{"type":"PACKAGE","url":"https://github.com/n8n-io/n8n"},{"type":"WEB","url":"https://github.com/n8n-io/n8n/releases/tag/n8n%401.107.0"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:30.555246395Z"}}