{"id":"CVE-2026-59208","revision":"071d46de5d1c47ddbffb0bb08110408e","records":[{"revision":"071d46de5d1c47ddbffb0bb08110408e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-59208","aliases":[],"title":"n8n: Cross-Issuer Token Exchange Account Binding via Subject-Only Identity Resolution","description":"n8n is an open source workflow automation platform. Prior to 2.27.4 and from 2.28.0 prior to 2.28.1, n8n instances configured with more than one trusted token-exchange issuer resolved external identities to local accounts using only the JWT sub claim and ignored the iss claim, allowing an attacker with a valid token from one trusted issuer and a sub matching a victim under another issuer to authenticate as that victim. This issue is fixed in versions 2.27.4 and 2.28.1.","state":0,"publishedAt":"2026-07-09T15:27:28.126+00:00","modifiedAt":"2026-07-14T00:20:06.366+00:00","affected":[{"ecosystem":"Vendor product","name":"n8n","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n8n-io\",\n                    \"product\": \"n8n\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 2.28.0, < 2.28.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"< 2.27.4\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":7.6,"severity":"HIGH"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-mq3m-f8x3-579w","https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4","https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-59208","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-59208","identifiers":["CVE-2026-59208"]},"retained":false,"historicalAffected":[]}],"coverage":[]}