{"id":"CVE-2026-56353","revision":"1ebbc4d044ba40b3afa70d41766489ab","records":[{"revision":"1ebbc4d044ba40b3afa70d41766489ab","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-56353","aliases":[],"title":"n8n - Authentication Bypass in Chat Trigger Node","description":"n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth (a non-default configuration). In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented, allowing access without valid credentials. Fixed in 1.123.22, 2.9.3, and 2.10.1.","state":0,"publishedAt":"2026-07-15T11:25:29.334+00:00","modifiedAt":"2026-07-16T15:14:09.641+00:00","affected":[{"ecosystem":"Vendor product","name":"n8n","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n8n\",\n                    \"product\": \"n8n\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/n8n\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.123.22\"\n                        },\n                        {\n                            \"version\": \"1.123.22\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"2.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.9.3\"\n                        },\n                        {\n                            \"version\": \"2.9.3\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"2.10.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.10.1\"\n                        },\n                        {\n                            \"version\": \"2.10.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","score":4.8,"severity":"MEDIUM"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-jh8h-6c9q-7gmw","https://www.vulncheck.com/advisories/n8n-authentication-bypass-in-chat-trigger-node"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-56353","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-56353","identifiers":["CVE-2026-56353"]},"retained":false,"historicalAffected":[]}],"coverage":[]}